<?php
/*
 * Project:     GoogleMapAPI V3: a PHP library inteface to the Google Map API v3
 * File:        GoogleMapV3.php
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * ORIGINAL INFO
 * link http://www.phpinsider.com/php/code/GoogleMapAPI/
 * copyright 2005 New Digital Group, Inc.
 * author Monte Ohrt <monte at ohrt dot com>
 * package GoogleMapAPI
 * version 2.5
 *
 * REVISION NOTIFICATION
 * NOTE: This is a modified version of the original listed above.  This version
 * maintains all original GNU software licenses.
 */
/**
 * @link http://code.google.com/p/phpgooglemapapiv3/
 * @copyright 2010 Brad wedell
 * @author Brad Wedell
 * @package GoogleMapAPI (version 3)
 * @version 3.0beta
 */
/*
 * To view the full CHANGELOG, visit
 * http://code.google.com/p/php-google-map-api/wiki/ChangeLog3
 /*
 For database caching, you will want to use this schema:

 CREATE TABLE GEOCODES (
 address varchar(255) NOT NULL default '',
 lon float default NULL,
 lat float default NULL,
 PRIMARY KEY  (address)
 );

 */

/**
 * PHP Google Maps API class
 * @package GoogleMapAPI
 * @version 3.0beta
 */
class GoogleMapAPI {

	/**
	 * PEAR::DB DSN for geocode caching. example:
	 * $dsn = 'mysql://user:pass@localhost/dbname';
	 *
	 * @var string
	 */
	var $dsn = null;

	/**
	 * current map id, set when you instantiate
	 * the GoogleMapAPI object.
	 *
	 * @var string
	 */
	var $map_id = null;

	/**
	 * determines whether or not to display the map and associated JS on the page
	 * this is used if you just want to display a streetview with no map
	 */
	var $display_map = true;

	/**
	 * sidebar <div> used along with this map.
	 *
	 * @var string
	 */
	var $sidebar_id = null;

	/**
	 * Whether to use new V3 mobile functionality
	 *
	 * @var bool
	 */
	var $mobile=false;

	/**
	 * DEPRECATED: Google now has geocoding service.
	 * NOTE: Note even sure if this still works
	 * GoogleMapAPI used to use the Yahoo geocode lookup API.
	 * This is the application ID for YOUR application.
	 * This is set upon instantiating the GoogleMapAPI object.
	 * (http://developer.yahoo.net/faq/index.html#appid)
	 *
	 * @var string
	 */
	var $app_id = null;

	/**
	 * use onLoad() to load the map javascript.
	 * if enabled, be sure to include on your webpage:
	 * <?php echo $mapobj->printOnLoad?> or manually create an onload function
	 * that calls the map's onload function using $this->printOnLoadFunction
	 *
	 * @var bool
	 * @default true
	 */
	var $onload = true;

	/**
	 * map center latitude (horizontal)
	 * calculated automatically as markers
	 * are added to the map.
	 *
	 * @var float
	 */
	var $center_lat = null;

	/**
	 * map center longitude (vertical)
	 * calculated automatically as markers
	 * are added to the map.
	 *
	 * @var float
	 */
	var $center_lon = null;

	/**
	 * enables map controls (zoom/move/center)
	 *
	 * @var bool
	 */
	var $map_controls = true;

	/**
	 * determines the map control type
	 * small -> show move/center controls
	 * large -> show move/center/zoom controls
	 *
	 * @var string
	 */
	var $control_size = 'large';

	/**
	 * enables map type controls (map/satellite/hybrid/terrain)
	 *
	 * @var bool
	 */
	var $type_controls = true;

	/**
	 * sets default option for type controls(DEFAULT, HORIZONTAL_BAR, DROPDOWN_MENU)
	 *
	 * @var string
	 */
	var $type_controls_style = "DEFAULT";

	/**
	 * sets default option for controls positin (TOP_LEFT, TOP_RIGHT, etc.)
	 *
	 * @var string
	 */
	var $type_controls_position = "TOP_RIGHT";

	/**
	 * sets default option control selections (ROADMAP, SATELLITE, HYBRID, TERRAIN)
	 *
	 * @var string
	 */
	var $type_controls_list = array('ROADMAP', 'SATELLITE', 'HYBRID', 'TERRAIN');

	/**
	 * default map type google.maps.MapTypeId.(ROADMAP, SATELLITE, HYBRID, TERRAIN)
	 *
	 * @var string
	 */
	var $map_type = 'HYBRID';

	/**
	 * enables scale map control
	 *
	 * @var bool
	 */
	var $scale_control = true;

	/**
	 * enables overview map control
	 *
	 * @var bool
	 */
	var $overview_control = false;

	/**
	 * enables Google Adsense Adsmanager on page, not currently supported in beta
	 *
	 * @var bool
	 */
	var $ads_manager = false;

	/**
	 * Google Adsense Publisher ID
	 *
	 * @var string
	 */
	var $ads_pub_id = "";

	/**
	 * Google Adsense Channel ID
	 *
	 * @var string
	 */
	var $ads_channel = "";

	/**
	 * The Max number of Adsmanager ads to show on a map
	 *
	 * @var int
	 */
	var $ads_max = 10;

	/**
	 * enables/disables local search on page
	 *
	 * @var bool
	 */
	var $local_search = false;

	/**
	 * enables local search ads on page NOTE: will only display ads if local_search == true, otherwise just use ad_manager and settings.
	 *
	 * @var bool
	 */
	var $local_search_ads = false;

	/**
	 * enables/disables walking directions option
	 *
	 * @var bool
	 */
	var $walking_directions = false;

	/**
	 * enables/disables biking directions on directions
	 *
	 * @var bool
	 */
	var $biking_directions = false;

	/**
	 * enables/disables avoid highways on directions
	 *
	 * @var bool
	 */
	var $avoid_highways = false;

	/**
	 * determines if avoid tollways is used in directions
	 *
	 * @var bool
	 */
	var $avoid_tollways = false;

	/**
	 * determines the default zoom level
	 *
	 * @var int
	 */
	var $zoom = 16;

	/**
	 * determines the map width
	 *
	 * @var string
	 */
	var $width = '500px';

	/**
	 * determines the map height
	 *
	 * @var string
	 */
	var $height = '500px';

	/**
	 * message that pops up when the browser is incompatible with Google Maps.
	 * set to empty string to disable.
	 *
	 * @var string
	 */
	var $browser_alert = 'Sorry, the Google Maps API is not compatible with this browser.';

	/**
	 * message that appears when javascript is disabled.
	 * set to empty string to disable.
	 *
	 * @var string
	 */
	var $js_alert = '<b>Javascript must be enabled in order to use Google Maps.</b>';

	/**
	 * determines if sidebar is enabled
	 *
	 * @var bool
	 */
	var $sidebar = true;

	/**
	 * determines if to/from directions are included inside info window
	 *
	 * @var bool
	 * @deprecated
	 */
	var $directions = true;

	/**
	 * determines if map markers bring up an info window
	 *
	 * @var bool
	 */
	var $info_window = true;

	/**
	 * determines if info window appears with a click or mouseover
	 *
	 * @var string click/mouseover
	 */
	var $window_trigger = 'click';

	/**
	 * determines whether or not to use the MarkerClusterer plugin
	 */
	var $marker_clusterer = false;

	/**
	 * set default marker clusterer *webserver* file location
	 */
	var $marker_clusterer_location = "/MarkerClusterer-1.0/markerclusterer_compiled.js";

	/**
	 * set default marker clusterer options
	 */
	var $marker_clusterer_options = array(
																				"maxZoom"=>"null",
																				"gridSize"=>"null",
																				"styles"=>"null"
																				);

	 /**
		* determines if traffic overlay is displayed on map
		*
		* @var bool
		*/
	 var $traffic_overlay = false;

	 /**
		* determines if biking overlay is displayed on map
		*
		* @var bool
		*/
	 var $biking_overlay = false;

	 /**
		* determines whether or not to display street view controls
		*/
	 var $street_view_controls = false;

	 /**
		* ID of the container that will hold a street view if streetview controls = true.
		*/
	 var $street_view_dom_id = "";

	 /**
		* what server geocode lookups come from
		*
		* available: YAHOO  Yahoo! API. US geocode lookups only.
		*            GOOGLE Google Maps. This can do international lookups,
		*                   but not an official API service so no guarantees.
		*            Note: GOOGLE is the default lookup service, please read
		*                  the Yahoo! terms of service before using their API.
		*
		* @var string service name
		*/
	 var $lookup_service = 'GOOGLE';
	 var $lookup_server = array('GOOGLE' => 'maps.google.com', 'YAHOO' => 'api.local.yahoo.com');

	 /**
		*
		* @var array
		* @deprecated
		*/
	 var $driving_dir_text = array(
						'dir_to' => 'Start address: (include addr, city st/region)',
						'to_button_value' => 'Get Directions',
						'to_button_type' => 'submit',
						'dir_from' => 'End address: (include addr, city st/region)',
						'from_button_value' => 'Get Directions',
						'from_button_type' => 'submit',
						'dir_text' => 'Directions: ',
						'dir_tohere' => 'To here',
						'dir_fromhere' => 'From here'
						);


						/**
						 * version number
						 *
						 * @var string
						 */
						var $_version = '3.0beta';

						/**
						 * list of added markers
						 *
						 * @var array
						 */
						var $_markers = array();

						/**
						 * maximum longitude of all markers
						 *
						 * @var float
						 */
						var $_max_lon = -1000000;

						/**
						 * minimum longitude of all markers
						 *
						 * @var float
						 */
						var $_min_lon = 1000000;

						/**
						 * max latitude
						 *
						 * @var float
						 */
						var $_max_lat = -1000000;

						/**
						 * min latitude
						 *
						 * @var float
						 */
						var $_min_lat = 1000000;

						/**
						 * determines if we should zoom to minimum level (above this->zoom value) that will encompass all markers
						 *
						 * @var bool
						 */
						var $zoom_encompass = true;

						/**
						 * factor by which to fudge the boundaries so that when we zoom encompass, the markers aren't too close to the edge
						 *
						 * @var float
						 */
						var $bounds_fudge = 0.001;

						/**
						 * use the first suggestion by a google lookup if exact match not found
						 *
						 * @var float
						 */
						var $use_suggest = false;


						/**
						 * list of added polylines
						 *
						 * @var array
						 */
						var $_polylines = array();

						/**
						 * list of polylines that should have an elevation profile rendered.
						 */
						var $_elevation_polylines = array();

						/**
						 * determines whether or not to display a marker on the "line" when
						 * mousing over the elevation chart
						 */
						var $elevation_markers = true;

						/**
						 * determines whether or not to display an elevation chart
						 * for directions that are added to the map.
						 */
						var $elevation_directions = false;

						/**
						 * icon info array
						 *
						 * @var array
						 * @deprecated
						 * @version 2.5
						 */
						var $_icons = array();

						/**
						 * marker icon info array
						 *
						 * @var array
						 * @version 3.0
						 */
						var $_marker_icons = array();

						/**
						 * Default icon image location.
						 *
						 * @var string
						 */
						var $default_icon = "";

						/**
						 * Default icon shadow image location.
						 *
						 * @var string
						 */
						var $default_icon_shadow = "";

						/**
						 * list of added overlays
						 *
						 * @var array
						 */
						var $_overlays = array();

						/**
						 * list of added kml overlays
						 */
						var $_kml_overlays = array();


						/**
						 * database cache table name
						 *
						 * @var string
						 */
						var $_db_cache_table = 'GEOCODES';

						/**
						 * Class variable that will store generated header code for JS to display directions
						 *
						 * @var string
						 */
						var $_directions_header = '';

						/**
						 * Class variable that will store information to render directions
						 */
						var $_directions = array();

						/**
						 * Class variable to store whether or not to display JS functions in the header
						 */
						var $_display_js_functions = true;

						/**
						 * Class variable that will store flag to minify js - this can be overwritten after object is instantiated.  Include JSMin.php if
						 * you want to use JS Minification.
						 *
						 * @var bool
						 */
						var $_minify_js = true;

						/**
						 * Class variable for localization
						 */
						var $locale = NULL;

						/**
						 * class constructor
						 *
						 * @param string $map_id the DOM element ID for the map
						 * @param string $app_id YOUR Yahoo App ID
						 */
						function GoogleMapAPI($map_id = 'map', $app_id = 'MyMapApp') {
							$this->map_id = $map_id;
							$this->sidebar_id = 'sidebar_' . $map_id;
							$this->app_id = $app_id;
						}

						function setLocale($loc) {
							if (empty($loc)) {
								$this->locale = '';
							} else {
								$this->locale = '&amp;language='.$loc;
							}
						}
						/**
						 * function to enable map display
						 */
						function enableMapDisplay(){
							$this->display_map = true;
						}

						/**
						 * function to disable map display (used to display street view only)
						 */
						function disableMapDisplay(){
							$this->display_map = true;
						}

						/**
						 * sets the PEAR::DB dsn
						 *
						 * @param string $dsn Takes the form of "mysql://user:pass@localhost/db_name"
						 */
						function setDSN($dsn) {
							$this->dsn = $dsn;
						}

						/**
						 * sets the width of the map
						 *
						 * @param string $width
						 * @return string|false Width or false if not a valid value
						 */
						function setWidth($width) {
							if(!preg_match('!^(\d+)(.*)$!',$width,$_match))
							return false;

							$_width = $_match[1];
							$_type = $_match[2];
							if($_type == '%')
							$this->width = $_width . '%';
							else
							$this->width = $_width . 'px';

							return true;
						}

						/**
						 * sets the height of the map
						 *
						 * @param string $height
						 * @return string|false Height or false if not a valid value
						 */
						function setHeight($height) {
							if(!preg_match('!^(\d+)(.*)$!',$height,$_match))
							return false;

							$_height = $_match[1];
							$_type = $_match[2];
							if($_type == '%')
							$this->height = $_height . '%';
							else
							$this->height = $_height . 'px';

							return true;
						}


						/**
						 * sets the default map zoom level
						 *
						 * @param string $level Initial zoom level value
						 */
						function setZoomLevel($level) {
							$this->zoom = (int) $level;
						}

						/**
						 * enables the map controls (zoom/move)
						 *
						 */
						function enableMapControls() {
							$this->map_controls = true;
						}

						/**
						 * disables the map controls (zoom/move)
						 *
						 */
						function disableMapControls() {
							$this->map_controls = false;
						}

						/**
						 * sets the map control size (large/small)
						 *
						 * @param string $size Large/Small
						 */
						function setControlSize($size) {
							if(in_array($size,array('large','small')))
							$this->control_size = $size;
						}

						/**
						 * enables the type controls (map/satellite/hybrid)
						 *
						 */
						function enableLocalSearch() {
							$this->local_search = true;
						}

						/**
						 * disables the type controls (map/satellite/hybrid)
						 *
						 */
						function disableLocalSearch() {
							$this->local_search = false;
						}

						/**
						 * enables the type controls (map/satellite/hybrid)
						 *
						 */
						function enableLocalSearchAds() {
							$this->local_search_ads = true;
						}

						/**
						 * disables the type controls (map/satellite/hybrid)
						 *
						 */
						function disableLocalSearchAds() {
							$this->local_search_ads = false;
						}

						/**
						 * enables walking directions
						 *
						 */
						function enableWalkingDirections() {
							$this->walking_directions = true;
						}

						/**
						 * disables walking directions
						 *
						 */
						function disableWalkingDirections() {
							$this->walking_directions = false;
						}

						/**
						 * enables biking directions
						 *
						 */
						function enableBikingDirections() {
							$this->biking_directions = true;
						}

						/**
						 * disables biking directions
						 *
						 */
						function disableBikingDirections() {
							$this->biking_directions = false;
						}

						/**
						 * enables avoid highways in directions
						 *
						 */
						function enableAvoidHighways() {
							$this->avoid_highways = true;
						}

						/**
						 * disables avoid highways in directions
						 *
						 */
						function disableAvoidHighways() {
							$this->avoid_highways = false;
						}

						/**
						 * enables avoid tolls in directions
						 *
						 */
						function enableAvoidTolls() {
							$this->avoid_tolls = true;
						}

						/**
						 * disables avoid tolls in directions
						 *
						 */
						function disableAvoidTolls() {
							$this->avoid_tolls = false;
						}

						/**
						 * Add directions route to the map and adds text directions container with id=$dom_id
						 *
						 * @param string $start_address
						 * @param string $dest_address
						 * @param string $dom_id DOM Element ID for directions container.
						 * @param bool $add_markers Add a marker at start and dest locations.
						 */
						function addDirections($start_address='',$dest_address='',$dom_id='', $add_markers=true, $elevation_samples=256, $elevation_width="", $elevation_height="", $elevation_dom_id=''){
							if($elevation_dom_id=="")
							$elevation_dom_id = "elevation".$dom_id;

							if($start_address != '' && $dest_address != '' && $dom_id != ''){
								$this->_directions[$dom_id] = array(
																										"dom_id"=>$dom_id,
																										"start"=>$start_address,
																										"dest"=>$dest_address,
																										"markers"=>true,
																										"elevation_samples"=>$elevation_samples,
																										"width"=>($elevation_width!=""?$elevation_width:str_replace("px","",$this->width)),
																										"height"=>($elevation_height!=""?$elevation_height:str_replace("px","",$this->height)/2),
																										"elevation_dom_id"=>$elevation_dom_id
																										);
								if($add_markers==true){
									$this->addMarkerByAddress($start_address,$start_address, $start_address);
									$this->addMarkerByAddress($dest_address,$dest_address, $dest_address);
								}
							}
						}

						/**
						 * enables the type controls (map/satellite/hybrid)
						 *
						 */
						function enableTypeControls() {
							$this->type_controls = true;
						}

						/**
						 * disables the type controls (map/satellite/hybrid)
						 *
						 */
						function disableTypeControls() {
							$this->type_controls = false;
						}

						/**
						 * sets map control style
						 */
						function setTypeControlsStyle($type){
							switch($type){
								case "dropdown":
									$this->type_controls_style = "DROPDOWN_MENU";
									break;
								case "horizontal":
									$this->type_controls_style = "HORIZONTAL_BAR";
									break;
								default:
									$this->type_controls_style = "DEFAULT";
									break;
							}
						}

						function setTypeControlPosition($pos) {
							$this->type_controls_position = $pos;
						}

						function setTypeControlTypes($list) {
							$this->type_controls_list = $list;
						}

						/**
						 * set default map type (map/satellite/hybrid)
						 *
						 * @param string $type New V3 Map Types, only include ending word (HYBRID,SATELLITE,TERRAIN,ROADMAP)
						 */
						function setMapType($type) {
							switch($type) {
								case 'hybrid':
									$this->map_type = 'HYBRID';
									break;
								case 'satellite':
									$this->map_type = 'SATELLITE';
									break;
								case 'terrain':
									$this->map_type = 'TERRAIN';
									break;
								case 'map':
								default:
									$this->map_type = 'ROADMAP';
									break;
							}
						}

						/**
						 * enables onload
						 *
						 */
						function enableOnLoad() {
							$this->onload = true;
						}

						/**
						 * disables onload
						 *
						 */
						function disableOnLoad() {
							$this->onload = false;
						}

						/**
						 * enables sidebar
						 *
						 */
						function enableSidebar() {
							$this->sidebar = true;
						}

						/**
						 * disables sidebar
						 *
						 */
						function disableSidebar() {
							$this->sidebar = false;
						}

						/**
						 * enables map directions inside info window
						 *
						 */
						function enableDirections() {
							$this->directions = true;
						}

						/**
						 * disables map directions inside info window
						 *
						 */
						function disableDirections() {
							$this->directions = false;
						}

						/**
						 * set browser alert message for incompatible browsers
						 *
						 * @param string $message
						 */
						function setBrowserAlert($message) {
							$this->browser_alert = $message;
						}

						/**
						 * set <noscript> message when javascript is disabled
						 *
						 * @param string $message
						 */
						function setJSAlert($message) {
							$this->js_alert = $message;
						}

						/**
						 * enable traffic overlay
						 */
						function enableTrafficOverlay() {
							$this->traffic_overlay= true;
						}

						/**
						 * disable traffic overlay (default)
						 */
						function disableTrafficOverlay() {
							$this->traffic_overlay= false;
						}

						/**
						 * enable biking overlay
						 */
						function enableBikingOverlay() {
							$this->biking_overlay= true;
						}

						/**
						 * disable biking overlay (default)
						 */
						function disableBikingOverlay() {
							$this->biking_overlay= false;
						}

						/**
						 * enable biking overlay
						 */
						function enableStreetViewControls() {
							$this->street_view_controls= true;
						}

						/**
						 * disable biking overlay (default)
						 */
						function disableStreetViewControls() {
							$this->street_view_controls= false;
						}

						/**
						 * attach a dom id object as a streetview container to the map
						 * NOTE: Only one container can be attached to a map.
						 **/
						function attachStreetViewContainer($dom_id){
							$this->street_view_dom_id = $dom_id;
						}

						/**
						 * enable Google Adsense admanager on Map (not supported in V3 API)
						 */
						function enableAds(){
							$this->ads_manager = true;
						}

						/**
						 * disable Google Adsense admanager on Map (not supported in V3 API)
						 */
						function disableAds(){
							$this->ads_manager = false;
						}


						/**
						 * enable map marker info windows
						 */
						function enableInfoWindow() {
							$this->info_window = true;
						}

						/**
						 * disable map marker info windows
						 */
						function disableInfoWindow() {
							$this->info_window = false;
						}

						/**
						 * enable elevation marker to be displayed
						 */
						function enableElevationMarker(){
							$this->elevation_markers = true;
						}

						/**
						 * disable elevation marker
						 */
						function disableElevationMarker(){
							$this->elevation_markers = false;
						}

						/**
						 * enable elevation to be displayed for directions
						 */
						function enableElevationDirections(){
							$this->elevation_directions = true;
						}

						/**
						 * disable elevation to be displayed for directions
						 */
						function disableElevationDirections(){
							$this->elevation_directions = false;
						}

						/**
						 * enable map marker clustering
						 */
						function enableClustering() {
							$this->marker_clusterer = true;
						}

						/**
						 * disable map marker clustering
						 */
						function disableClustering() {
							$this->marker_clusterer = false;
						}

						/**
						 * set clustering options
						 */
						function setClusterOptions($zoom="null", $gridsize="null", $styles="null"){
							$this->marker_clusterer_options["maxZoom"]=$zoom;
							$this->marker_clusterer_options["gridSize"]=$gridsize;
							$this->marker_clusterer_options["styles"]=$styles;
						}

						/**
						 * Set clustering library file location
						 */
						function setClusterLocation($file){
							$this->marker_clusterer_location=$file;
						}

						/**
						 * set the info window trigger action
						 *
						 * @param string $message click/mouseover
						 */
						function setInfoWindowTrigger($type) {
							switch($type) {
								case 'mouseover':
									$this->window_trigger = 'mouseover';
									break;
								default:
									$this->window_trigger = 'click';
									break;
							}
						}

						/**
						 * enable zoom to encompass makers
						 */
						function enableZoomEncompass() {
							$this->zoom_encompass = true;
						}

						/**
						 * disable zoom to encompass makers
						 */
						function disableZoomEncompass() {
							$this->zoom_encompass = false;
						}

						/**
						 * set the boundary fudge factor
						 * @param float
						 */
						function setBoundsFudge($val) {
							$this->bounds_fudge = $val;
						}

						/**
						 * enables the scale map control
						 *
						 */
						function enableScaleControl() {
							$this->scale_control = true;
						}

						/**
						 * disables the scale map control
						 *
						 */
						function disableScaleControl() {
							$this->scale_control = false;
						}

						/**
						 * enables the overview map control
						 *
						 */
						function enableOverviewControl() {
							$this->overview_control = true;
						}

						/**
						 * disables the overview map control
						 *
						 */
						function disableOverviewControl() {
							$this->overview_control = false;
						}


						/**
						 * set the lookup service to use for geocode lookups
						 * default is YAHOO, you can also use GOOGLE.
						 * NOTE: GOOGLE can to intl lookups, but is not an
						 * official API, so use at your own risk.
						 *
						 * @param string $service
						 * @deprecated
						 */
						function setLookupService($service) {
							switch($service) {
								case 'GOOGLE':
									$this->lookup_service = 'GOOGLE';
									break;
								case 'YAHOO':
								default:
									$this->lookup_service = 'YAHOO';
									break;
							}
						}


						/**
						 * adds a map marker by address - DEPRECATION WARNING: Tabs are no longer supported in V3, if this changes this can be easily updated.
						 *
						 * @param string $address the map address to mark (street/city/state/zip)
						 * @param string $title the title display in the sidebar
						 * @param string $html the HTML block to display in the info bubble (if empty, title is used)
						 * @param string $tooltip Tooltip to display (deprecated?)
						 * @param string $icon_filename Web file location (eg http://somesite/someicon.gif) to use for icon
						 * @param string $icon_shadow_filename Web file location (eg http://somesite/someicon.gif) to use for icon shadow
						 * @return int|bool
						 */
						function addMarkerByAddress($address,$title = '',$html = '',$tooltip = '', $icon_filename = '', $icon_shadow_filename='') {
							if(($_geocode = $this->getGeocode($address)) === false)
							return false;
							return $this->addMarkerByCoords($_geocode['lon'],$_geocode['lat'],$title,$html,$tooltip, $icon_filename, $icon_shadow_filename);
						}

						/**
						 * adds a map marker by lat/lng coordinates - DEPRECATION WARNING: Tabs are no longer supported in V3, if this changes this can be easily updated.
						 *
						 * @param string $lon the map longitude (horizontal)
						 * @param string $lat the map latitude (vertical)
						 * @param string $title the title display in the sidebar
						 * @param string $html the HTML block to display in the info bubble (if empty, title is used)
						 * @param string $tooltip Tooltip to display (deprecated?)
						 * @param string $icon_filename Web file location (eg http://somesite/someicon.gif) to use for icon
						 * @param string $icon_shadow_filename Web file location (eg http://somesite/someicon.gif) to use for icon shadow
						 * @return int|bool
						 */
						function addMarkerByCoords($lon,$lat,$title = '',$html = '',$tooltip = '', $icon_filename = '', $icon_shadow_filename='') {
							$_marker['lon'] = $lon;
							$_marker['lat'] = $lat;
							$_marker['html'] = (is_array($html) || strlen($html) > 0) ? $html : $title;
							$_marker['title'] = $title;
							$_marker['tooltip'] = $tooltip;

							if($icon_filename!=""){
								$_marker['icon_key'] = $this->setMarkerIconKey($icon_filename, $icon_shadow_filename);
								if($icon_shadow_filename!=""){
							 $_marker['shadow_icon']=1;
								}
							}else if( $this->default_icon != ''){
								$_marker['icon_key'] = $this->setMarkerIconKey($this->default_icon, $this->default_icon_shadow);
								if($this->default_icon_shadow!=""){
									$_marker['shadow_icon']=1;
								}
							}
							$this->_markers[] = $_marker;
							$this->adjustCenterCoords($_marker['lon'],$_marker['lat']);
							// return index of marker
							return count($this->_markers) - 1;
						}

						/**
						 * adds a DOM object ID to specified marker to open the marker's info window.
						 *   Does nothing if the info windows is disabled.
						 * @param string $marker_id ID of the marker to associate to
						 * @param string $dom_id ID of the DOM object to use to open marker info window
						 * @return bool true/false status
						 */
						function addMarkerOpener($marker_id, $dom_id){
							if($this->info_window === false || !isset($this->_markers[$marker_id]))
							return false;
							if(!isset($this->_markers[$marker_id]["openers"]))
							$this->_markers[$marker_id]["openers"] = array();
							$this->_markers[$marker_id]["openers"][] = $dom_id;
						}

						/**
						 * adds polyline by passed array
						 * if color, weight and opacity are not defined, use the google maps defaults
						 * @param array $polyline_array array of lat/long coords
						 * @param string $id An array id to use to append coordinates to a line
						 * @param string $color the color of the line (format: #000000)
						 * @param string $weight the weight of the line in pixels
						 * @param string $opacity the line opacity (percentage)
						 * @return bool|int Array id of newly added point or false
						 */
						function addPolylineByCoordsArray($polyline_array,$id=false,$color='',$weight=0,$opacity=0){
							if(!is_array($polyline_array) || sizeof($polyline_array) < 2)
							return false;
							$_prev_coords = "";
							$_next_coords = "";

							foreach($polyline_array as $_coords){
								$_prev_coords = $_next_coords;
								$_next_coords = $_coords;

								if($_prev_coords !== ""){
									$_lt1=$_prev_coords["lat"];
									$_ln1=$_prev_coords["long"];
									$_lt2=$_next_coords["lat"];
									$_ln2=$_next_coords["long"];
									$id = $this->addPolyLineByCoords($_ln1, $_lt1, $_ln2, $_lt2, $id, $color, $weight, $opacity);
								}
							}
							return $id;
						}

						/**
						 * adds polyline by passed array
						 * if color, weight and opacity are not defined, use the google maps defaults
						 * @param array $polyline_array array of addresses
						 * @param string $id An array id to use to append coordinates to a line
						 * @param string $color the color of the line (format: #000000)
						 * @param string $weight the weight of the line in pixels
						 * @param string $opacity the line opacity (percentage)
						 * @return bool|int Array id of newly added point or false
						 */
						function addPolylineByAddressArray($polyline_array,$id=false,$color='',$weight=0,$opacity=0){
							if(!is_array($polyline_array) || sizeof($polyline_array) < 2)
							return false;
							$_prev_address = "";
							$_next_address = "";

							foreach($polyline_array as $_address){
								$_prev_address = $_next_address;
								$_next_address = $_address;

								if($_prev_address !== ""){
									$id = $this->addPolyLineByAddress($_prev_address, $_next_address, $id, $color, $weight, $opacity);
								}
							}
							return $id;
						}

						/**
						 * adds a map polyline by address
						 * if color, weight and opacity are not defined, use the google maps defaults
						 *
						 * @param string $address1 the map address to draw from
						 * @param string $address2 the map address to draw to
						 * @param string $id An array id to use to append coordinates to a line
						 * @param string $color the color of the line (format: #000000)
						 * @param string $weight the weight of the line in pixels
						 * @param string $opacity the line opacity (percentage)
						 * @return bool|int Array id of newly added point or false
						 */
						function addPolyLineByAddress($address1,$address2,$id=false,$color='',$weight=0,$opacity=0) {
							if(($_geocode1 = $this->getGeocode($address1)) === false)
							return false;
							if(($_geocode2 = $this->getGeocode($address2)) === false)
							return false;
							return $this->addPolyLineByCoords($_geocode1['lon'],$_geocode1['lat'],$_geocode2['lon'],$_geocode2['lat'],$id,$color,$weight,$opacity);
						}

						/**
						 * adds a map polyline by map coordinates
						 * if color, weight and opacity are not defined, use the google maps defaults
						 *
						 * @param string $lon1 the map longitude to draw from
						 * @param string $lat1 the map latitude to draw from
						 * @param string $lon2 the map longitude to draw to
						 * @param string $lat2 the map latitude to draw to
						 * @param string $id An array id to use to append coordinates to a line
						 * @param string $color the color of the line (format: #000000)
						 * @param string $weight the weight of the line in pixels
						 * @param string $opacity the line opacity (percentage)
						 * @return string $id id of the created/updated polyline array
						 */
						function addPolyLineByCoords($lon1,$lat1,$lon2,$lat2,$id=false,$color='',$weight=0,$opacity=0) {
							if($id !== false && isset($this->_polylines[$id]) && is_array($this->_polylines[$id])){
								$_polyline = $this->_polylines[$id];
							}else{
								//only set color,weight,and opacity if new polyline
								$_polyline = array(
																	"color"=>$color,
																	"weight"=>$weight,
																	"opacity"=>$opacity
																	);
							}
							if(!isset($_polyline['coords']) || !is_array($_polyline['coords'])){
								$_polyline['coords'] = array(
																						"0"=> array("lat"=>$lat1, "long"=>$lon1),
																						"1"=> array("lat"=>$lat2, "long"=>$lon2)
																						);
							}else{
								$last_index = sizeof($_polyline['coords'])-1;
								//check if lat1/lon1 point is already on polyline
								if($_polyline['coords'][$last_index]["lat"] != $lat1 || $_polyline['coords'][$last_index]["long"]  != $lon1){
									$_polyline['coords'][] = array("lat"=>$lat1, "long"=>$lon1);
								}
								$_polyline['coords'][] = array("lat"=>$lat2, "long"=>$lon2);
							}
							if($id === false){
								$this->_polylines[] = $_polyline;
								$id = count($this->_polylines) - 1;
							}else{
								$this->_polylines[$id] = $_polyline;
							}
							$this->adjustCenterCoords($lon1,$lat1);
							$this->adjustCenterCoords($lon2,$lat2);
							// return index of polyline
							return $id;
						}

						/**
						 * function to add an elevation profile for a polyline to the page
						 */
						function addPolylineElevation($polyline_id, $elevation_dom_id, $samples=256, $width="", $height="", $focus_color="#00ff00"){
							if(isset($this->_polylines[$polyline_id])){
								$this->_elevation_polylines[$polyline_id] = array(
																																	"dom_id"=>$elevation_dom_id,
																																	"samples"=>$samples,
																																	"width"=>($width!=""?$width:str_replace("px","",$this->width)),
																																	"height"=>($height!=""?$height:str_replace("px","",$this->height)/2),
																																	"focus_color"=>$focus_color
																																	);
							}
						}

						/**
						 * function to add an overlay to the map.
						 */
						function addOverlay($bds_lat1, $bds_lon1, $bds_lat2, $bds_lon2, $img_src, $opacity = 100){
							$_overlay = array(
																"bounds" => array(
																									"ne"=>array(
																															"lat"=>$bds_lat1,
																															"long"=>$bds_lon1
																															),
																									"sw"=>array(
																															"lat"=>$bds_lat2,
																															"long"=>$bds_lon2
																															)
																									 ),
																									"img" => $img_src,
																									"opacity" => $opacity/10
																									);
							$this->adjustCenterCoords($bds_lon1,$bds_lat1);
							$this->adjustCenterCoords($bds_lon2,$bds_lat2);
							$this->_overlays[] = $_overlay;
							return count($this->_overlays)-1;
						}

						/**
						 * function to add a KML overlay to the map.
						 *  *Note that this expects a filename and file parsing/processing is done
						 *  on the client side
						 */
						function addKMLOverlay($file){
							$this->_kml_overlays[] = $file;
							return count($this->_kml_overlays)-1;
						}

						/**
						 * adjust map center coordinates by the given lat/lon point
						 *
						 * @param string $lon the map latitude (horizontal)
						 * @param string $lat the map latitude (vertical)
						 */
						function adjustCenterCoords($lon,$lat) {
							if(strlen((string)$lon) == 0 || strlen((string)$lat) == 0)
								return false;
							$this->_max_lon = (float) max($lon, $this->_max_lon);
							$this->_min_lon = (float) min($lon, $this->_min_lon);
							$this->_max_lat = (float) max($lat, $this->_max_lat);
							$this->_min_lat = (float) min($lat, $this->_min_lat);
							$this->center_lon = (float) ($this->_min_lon + $this->_max_lon) / 2;
							$this->center_lat = (float) ($this->_min_lat + $this->_max_lat) / 2;
							return true;
						}

						/**
						 * set map center coordinates to lat/lon point
						 *
						 * @param string $lon the map latitude (horizontal)
						 * @param string $lat the map latitude (vertical)
						 */
						function setCenterCoords($lon,$lat) {
							$this->center_lat = (float) $lat;
							$this->center_lon = (float) $lon;
						}

						/**
						 * generate an array of params for a new marker icon image
						 * iconShadowImage is optional
						 * If anchor coords are not supplied, we use the center point of the image by default.
						 * Can be called statically. For private use by addMarkerIcon() and setMarkerIcon() and addIcon()
						 *
						 * @param string $iconImage URL to icon image
						 * @param string $iconShadowImage URL to shadow image
						 * @param string $iconAnchorX X coordinate for icon anchor point
						 * @param string $iconAnchorY Y coordinate for icon anchor point
						 * @param string $infoWindowAnchorX X coordinate for info window anchor point
						 * @param string $infoWindowAnchorY Y coordinate for info window anchor point
						 * @return array Array with information about newly /previously created icon.
						 */
						function createMarkerIcon($iconImage,$iconShadowImage = '',$iconAnchorX = 'x',$iconAnchorY = 'x',$infoWindowAnchorX = 'x',$infoWindowAnchorY = 'x') {
							$_icon_image_path = strpos($iconImage,'http') === 0 ? $iconImage : $_SERVER['DOCUMENT_ROOT'] . $iconImage;
							if(!($_image_info = @getimagesize($_icon_image_path))) {
								die('GoogleMapAPI:createMarkerIcon: Error reading image: ' . $iconImage);
							}
							if($iconShadowImage) {
								$_shadow_image_path = strpos($iconShadowImage,'http') === 0 ? $iconShadowImage : $_SERVER['DOCUMENT_ROOT'] . $iconShadowImage;
								if(!($_shadow_info = @getimagesize($_shadow_image_path))) {
									die('GoogleMapAPI:createMarkerIcon: Error reading shadow image: ' . $iconShadowImage);
								}
							}

							if($iconAnchorX === 'x') {
								$iconAnchorX = (int) ($_image_info[0] / 2);
							}
							if($iconAnchorY === 'x') {
								$iconAnchorY = (int) ($_image_info[1] / 2);
							}
							if($infoWindowAnchorX === 'x') {
								$infoWindowAnchorX = (int) ($_image_info[0] / 2);
							}
							if($infoWindowAnchorY === 'x') {
								$infoWindowAnchorY = (int) ($_image_info[1] / 2);
							}

							$icon_info = array(
								'image' => $iconImage,
								'iconWidth' => $_image_info[0],
								'iconHeight' => $_image_info[1],
								'iconAnchorX' => $iconAnchorX,
								'iconAnchorY' => $iconAnchorY,
								'infoWindowAnchorX' => $infoWindowAnchorX,
								'infoWindowAnchorY' => $infoWindowAnchorY
							);
							if($iconShadowImage) {
								$icon_info = array_merge($icon_info, array('shadow' => $iconShadowImage,
																											 'shadowWidth' => $_shadow_info[0],
																											 'shadowHeight' => $_shadow_info[1]));
							}
							return $icon_info;
						}

						/**
						 * set the default marker icon for ALL markers on the map
						 * NOTE: This MUST be set prior to adding markers in order for the defaults
						 * to be set correctly.
						 * @param string $iconImage URL to icon image
						 * @param string $iconShadowImage URL to shadow image
						 * @param string $iconAnchorX X coordinate for icon anchor point
						 * @param string $iconAnchorY Y coordinate for icon anchor point
						 * @param string $infoWindowAnchorX X coordinate for info window anchor point
						 * @param string $infoWindowAnchorY Y coordinate for info window anchor point
						 * @return string A marker icon key.
						 */
						function setMarkerIcon($iconImage,$iconShadowImage = '',$iconAnchorX = 'x',$iconAnchorY = 'x',$infoWindowAnchorX = 'x',$infoWindowAnchorY = 'x') {
							$this->default_icon = $iconImage;
							$this->default_icon_shadow = $iconShadowImage;
							return $this->setMarkerIconKey($iconImage,$iconShadowImage,$iconAnchorX,$iconAnchorY,$infoWindowAnchorX,$infoWindowAnchorY);
						}

						/**
						 * function to check if icon is in  class "marker_iconset", if it is,
						 * returns the key, if not, creates a new array indice and returns the key
						 * @param string $iconImage URL to icon image
						 * @param string $iconShadowImage URL to shadow image
						 * @param string $iconAnchorX X coordinate for icon anchor point
						 * @param string $iconAnchorY Y coordinate for icon anchor point
						 * @param string $infoWindowAnchorX X coordinate for info window anchor point
						 * @param string $infoWindowAnchorY Y coordinate for info window anchor point
						 * @return string A marker icon key.
						 */
						function setMarkerIconKey($iconImage,$iconShadow='',$iconAnchorX = 'x',$iconAnchorY = 'x',$infoWindowAnchorX = 'x',$infoWindowAnchorY = 'x'){
							$_iconKey = $this->getIconKey($iconImage,$iconShadow);
							if(isset($this->_marker_icons[$_iconKey])){
								return $_iconKey;
							}else{
								return $this->addIcon($iconImage,$iconShadow,$iconAnchorX,$iconAnchorY,$infoWindowAnchorX,$infoWindowAnchorY);
							}
						}

						/**
						 * function to get icon key
						 * @param string $iconImage URL to marker icon image
						 * @param string $iconShadow URL to marker icon shadow image
						 * @return string Returns formatted icon key from icon or icon+shadow image name pairs
						 */
						function getIconKey($iconImage,$iconShadow=""){
							return str_replace(array("/",":","."),"",$iconImage.$iconShadow);
						}

						/**
						 * add an icon to "iconset"
						 * @param string $iconImage URL to marker icon image
						 * @param string $iconShadow URL to marker icon shadow image
						 * @param string $iconAnchorX X coordinate for icon anchor point
						 * @param string $iconAnchorY Y coordinate for icon anchor point
						 * @param string $infoWindowAnchorX X coordinate for info window anchor point
						 * @param string $infoWindowAnchorY Y coordinate for info window anchor point
						 * @return string Returns the icon's key.
						 */
						function addIcon($iconImage,$iconShadowImage = '',$iconAnchorX = 'x',$iconAnchorY = 'x',$infoWindowAnchorX = 'x',$infoWindowAnchorY = 'x') {
							$_iconKey = $this->getIconKey($iconImage, $iconShadowImage);
							$this->_marker_icons[$_iconKey] = $this->createMarkerIcon($iconImage,$iconShadowImage,$iconAnchorX,$iconAnchorY,$infoWindowAnchorX,$infoWindowAnchorY);
							return $_iconKey;
						}

						/**
						 * updates a marker's icon key.
						 * NOTE: To be used in lieu of addMarkerIcon, now use addIcon + updateMarkerIconKey for explicit icon association
						 * @param string $markerKey Marker key to define which marker's icon to update
						 * @param string $iconKey Icon key to define which icon to use.
						 */
						function updateMarkerIconKey($markerKey, $iconKey){
							if(isset($this->_markers[$markerKey])){
								$this->_markers[$markerKey]['icon_key'] = $iconKey;
							}
						}

						/**
						 * print map header javascript (goes between <head></head>)
						 *
						 */
						function printHeaderJS() {
							echo $this->getHeaderJS();
						}

						/**
						 * return map header javascript (goes between <head></head>)
						 *
						 */
						function getHeaderJS() {
							$_headerJS = "";
							if( $this->mobile == true){
								$_headerJS .= "
						 <meta name='viewport' content='initial-scale=1.0, user-scalable=no' />
					";
							}
							if(!empty($this->_elevation_polylines)||(!empty($this->_directions)&&$this->elevation_directions)){
								$_headerJS .= "<script type='text/javascript' src='http://www.google.com/jsapi'></script>";
								$_headerJS .= "
															<script type='text/javascript'>
																// Load the Visualization API and the piechart package.
																google.load('visualization', '1', {packages: ['columnchart']});
															</script>";
							}
							$_headerJS .= "<script type='text/javascript' src='http://maps.google.com/maps/api/js?sensor=".(($this->mobile==true)?"true":"false").$this->locale."'></script>";
							if($this->marker_clusterer){
								$_headerJS .= "<script type='text/javascript' src='".$this->marker_clusterer_location."' ></script>";
							}
							if($this->local_search){
							/* Load Local Search API V3 when available*/}
							return $_headerJS;
						}

						/**
						 * prints onLoad() without having to manipulate body tag.
						 * call this after the print map like so...
						 *      $map->printMap();
						 *      $map->printOnLoad();
						 */
						function printOnLoad() {
							echo $this->getOnLoad();
						}

						/**
						 * print onLoad function name
						 */
						function printOnLoadFunction(){
							echo $this->getOnLoadFunction();
						}

						/**
						 * return js to set onload function
						 */
						function getOnLoad() {
							return '<script language="javascript" type="text/javascript" charset="utf-8">window.onload=onLoad'.$this->map_id.';</script>';
						}

						/**
						 * return js to set onload function
						 */
						function getOnLoadFunction() {
							return 'onLoad'.$this->map_id;
						}

						/**
						 * print map javascript (put just before </body>, or in <header> if using onLoad())
						 *
						 */
						function printMapJS() {
							echo $this->getMapJS();
						}

						/**
						 * return map javascript
						 *
						 */
						function getMapJS() {
							$_script = "";
							$_key = $this->map_id;
							$_output = '<script type="text/javascript" charset="utf-8">' . "\n";
							$_output .= '//<![CDATA[' . "\n";
							$_output .= "/*************************************************\n";
							$_output .= " * Created with GoogleMapAPI" . $this->_version . "\n";
							$_output .= " * Author: Brad Wedell <brad AT mycnl DOT com>\n";
							$_output .= " * Link http://code.google.com/p/phpgooglemapapiv3/\n";
							$_output .= " * Copyright 2010 Brad Wedell\n";
							$_output .= " * Original Author: Monte Ohrt <monte AT ohrt DOT com>\n";
							$_output .= " * Original Copyright 2005-2006 New Digital Group\n";
							$_output .= " * Originial Link http://www.phpinsider.com/php/code/GoogleMapAPI/\n";
							$_output .= " *************************************************/\n";
							if($this->street_view_dom_id!=""){
								$_script .= "
															var panorama".$this->street_view_dom_id."$_key = '';
														";
								if(!empty($this->_markers)){
									$_script .= "
																var panorama".$this->street_view_dom_id."markers$_key = [];
															";
								}
							}

							if(!empty($this->_markers)){
								$_script .= "
															var markers$_key  = [];
														";
								if($this->sidebar) {
									$_script .= "
																var sidebar_html$_key  = '';
																var marker_html$_key  = [];
															";
								}
							}
							if($this->marker_clusterer){
								$_script .= "
															var markerClusterer$_key = null;
														";
							}
							if($this->directions) {
								$_script .= "
																var to_htmls$_key  = [];
																var from_htmls$_key  = [];
														";
							}
							if(!empty($this->_directions)){
								$_script .= "
																var directions$_key = [];
														";
							}
							//Polylines
							if(!empty($this->_polylines)){
								$_script .= "
															var polylines$_key = [];
															var polylineCoords$_key = [];
														";
								if(!empty($this->_elevation_polylines)){
									$_script .= "
																var elevationPolylines$_key = [];
															";
								}
							}
							//Elevation stuff
							if(!empty($this->_elevation_polylines)||(!empty($this->_directions)&&$this->elevation_directions)){
								$_script .= "
															var elevationCharts$_key = [];
														";
							}
							//Overlays
							if(!empty($this->_overlays)){
								$_script .= "
															var overlays$_key = [];
														";
							}
							//KML Overlays
							if(!empty($this->_kml_overlays)){
								$_script .= "
								var kml_overlays$_key = [];
						";
							}
							//New Icons
							if(!empty($this->_marker_icons)){
								$_script .= "var icon$_key  = []; \n";
								foreach($this->_marker_icons as $icon_key=>$icon_info){
									//no need to check icon key here since that's already done with setters
									$_script .= "
																icon".$_key."['$icon_key'] = {};
																icon".$_key."['$icon_key'].image =  new google.maps.MarkerImage('".$icon_info["image"]."',
																// The size
																new google.maps.Size(".$icon_info['iconWidth'].", ".$icon_info['iconHeight']."),
																// The origin(sprite)
																new google.maps.Point(0,0),
																// The anchor
																new google.maps.Point(".$icon_info['iconAnchorX'].", ".$icon_info['iconAnchorY'].")
																		);
															";
									if(isset($icon_info['shadow']) && $icon_info['shadow']!=""){
										$_script .= "
										icon".$_key."['$icon_key'].shadow = new google.maps.MarkerImage('".$icon_info["shadow"]."',
											// The size
											new google.maps.Size(".$icon_info['shadowWidth'].", ".$icon_info['shadowHeight']."),
											// The origin(sprite)
											new google.maps.Point(0,0),
											// The anchor
											new google.maps.Point(".$icon_info['iconAnchorX'].", ".$icon_info['iconAnchorY'].")
										);
									";
									}
								}
							}

							$_script .= "var map$_key = null;\n";

							//start setting script var
							if($this->onload) {
								$_script .= 'function onLoad'.$this->map_id.'() {' . "\n";
							}

							if(!empty($this->browser_alert)) {
								//$_output .= 'if (GBrowserIsCompatible()) {' . "\n";
							}

							/*
							 $strMapOptions = "";
							 if($this->local_search){
							 $_output .= "
							 mapOptions.googleBarOptions= {
							 style : 'new'
							 ".(($this->local_search_ads)?",
							 adsOptions: {
							 client: '".$this->ads_pub_id."',
							 channel: '".$this->ads_channel."',
							 language: 'en'
							 ":"")."
							 };
							 ";
							 $strMapOptions .= ", mapOptions";
							 }
							 */

							if($this->display_map){
								$_script .= sprintf('var mapObj%s = document.getElementById("%s");', $_key, $this->map_id) . "\n";
								$_script .= "if (mapObj$_key != 'undefined' && mapObj$_key != null) {\n";

								$selectorlist = array();
								foreach ($this->type_controls_list as $listOption) {
									$selectorlist[] = 'google.maps.MapTypeId.'.$listOption;
								}
								$_script .= "
															var allowedtypes = [".implode(', ',$selectorlist)."];";

								$_script .= "
															var mapOptions$_key = {
																zoom: ".$this->zoom.",
																mapTypeId: google.maps.MapTypeId.".$this->map_type.",
																mapTypeControl: ".($this->type_controls?"true":"false").",
																mapTypeControlOptions: {style: google.maps.MapTypeControlStyle.".$this->type_controls_style.",
																												position: google.maps.ControlPosition.".$this->type_controls_position.",
																												mapTypeIds: allowedtypes
																												}
															};
														";
								if(isset($this->center_lat) && isset($this->center_lon)) {
									// Special care for decimal point in lon and lat, would get lost if "wrong" locale is set; applies to (s)printf only
									$_script .= "
																mapOptions".$_key.".center = new google.maps.LatLng(
																	".number_format($this->center_lat, 6, ".", "").",
																	".number_format($this->center_lon, 6, ".", "")."
																);
															";
								}

								if($this->street_view_controls){
									$_script .= "
																mapOptions".$_key.".streetViewControl= true;

															";
								}

								$_script .= "
															map$_key = new google.maps.Map(mapObj$_key,mapOptions$_key);
														";

								if($this->street_view_dom_id!=""){
									$_script .= "
																panorama".$this->street_view_dom_id."$_key = new  google.maps.StreetViewPanorama(document.getElementById('".$this->street_view_dom_id."'));
																map$_key.setStreetView(panorama".$this->street_view_dom_id."$_key);
															";

									if(!empty($this->_markers)){

										//Add markers to the street view
										if($this->street_view_dom_id!=""){
											$_script .= $this->getAddMarkersJS($this->map_id, $pano=true);
										}
										//set center to last marker
										$last_id = count($this->_markers)-1;

										$_script .= "
																	panorama".$this->street_view_dom_id."$_key.setPosition(new google.maps.LatLng(
																		".$this->_markers[$last_id]["lat"].",
																		".$this->_markers[$last_id]["lon"]."
																	));
																	panorama".$this->street_view_dom_id."$_key.setVisible(true);
																";
									}
								}

								if(!empty($this->_directions)){
									$_script .= $this->getAddDirectionsJS();
								}

								//$_output .= "map.addMapType(G_SATELLITE_3D_MAP);\n";

								// zoom so that all markers are in the viewport
								if($this->zoom_encompass && (count($this->_markers) > 1 || count($this->_polylines) >= 1 || count($this->_overlays) >= 1)) {
									// increase bounds by fudge factor to keep
									// markers away from the edges
									$_len_lon = $this->_max_lon - $this->_min_lon;
									$_len_lat = $this->_max_lat - $this->_min_lat;
									$this->_min_lon -= $_len_lon * $this->bounds_fudge;
									$this->_max_lon += $_len_lon * $this->bounds_fudge;
									$this->_min_lat -= $_len_lat * $this->bounds_fudge;
									$this->_max_lat += $_len_lat * $this->bounds_fudge;

									//unscrew this for our European brethern--Javascript thinks commas separate parameters!
									$minlat = str_replace(',','.',(string) $this->_min_lat);
									$maxlat = str_replace(',','.',(string) $this->_max_lat);
									$minlon = str_replace(',','.',(string) $this->_min_lon);
									$maxlon = str_replace(',','.',(string) $this->_max_lon);
									$_script .= "var bds$_key = new google.maps.LatLngBounds(new google.maps.LatLng($minlat, $minlon), new google.maps.LatLng($maxlat, $maxlon));\n";

									$_script .= 'map'.$_key.'.fitBounds(bds'.$_key.');' . "\n";
								}

								/*
								 * default V3 functionality caters control display according to the
								 * device that's accessing the page, as well as the specified width
								 * and height of the map itself.
								 if($this->map_controls) {
								 if($this->control_size == 'large')
								 $_output .= 'map.addControl(new GLargeMapControl(), new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(10,10)));' . "\n";
								 else
								 $_output .= 'map.addControl(new GSmallMapControl(), new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,60)));' . "\n";
								 }
								 if($this->type_controls) {
								 $_output .= 'map.addControl(new GMapTypeControl(), new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10)));' . "\n";
								 }

								 if($this->scale_control) {
								 if($this->control_size == 'large'){
								 $_output .= 'map.addControl(new GScaleControl(), new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(35,190)));' . "\n";
								 }else {
								 $_output .= 'map.addControl(new GScaleControl(), new GControlPosition(G_ANCHOR_BOTTOM_RIGHT, new GSize(190,10)));' . "\n";
								 }
								 }
								 if($this->overview_control) {
								 $_output .= 'map.addControl(new GOverviewMapControl());' . "\n";
								 }

								 if($this->ads_manager){
								 $_output .= 'var adsManager = new GAdsManager(map, "'.$this->ads_pub_id.'",{channel:"'.$this->ads_channel.'",maxAdsOnMap:"'.$this->ads_max.'"});
								 adsManager.enable();'."\n";

								 }
								 if($this->local_search){
								 $_output .= "\n
								 map.enableGoogleBar();
								 ";
								 }
								 */

								if($this->traffic_overlay){
									$_script .= "
					var trafficLayer = new google.maps.TrafficLayer();
					trafficLayer.setMap(map$_key);
				";
								}

								if($this->biking_overlay){
									$_script .= "
																var bikingLayer = new google.maps.BicyclingLayer();
																bikingLayer.setMap(map$_key);
															";
								}

								$_script .= $this->getAddMarkersJS();

								$_script .= $this->getPolylineJS();
								$_script .= $this->getAddOverlayJS();

								if($this->_kml_overlays!==""){
									foreach($this->_kml_overlays as $_kml_key=>$_kml_file){
										$_script .= "
																kml_overlays$_key[$_kml_key]= new google.maps.KmlLayer('$_kml_file');
																kml_overlays$_key[$_kml_key].setMap(map$_key);
															";
									}
									$_script .= "

															";
								}

								//end JS if mapObj != "undefined" block
								$_script .= '}' . "\n";

							}//end if $this->display_map==true

							if(!empty($this->browser_alert)) {
								// $_output .= '} else {' . "\n";
								// $_output .= 'alert("' . str_replace('"','\"',$this->browser_alert) . '");' . "\n";
								// $_output .= '}' . "\n";
							}

							if($this->onload) {
								$_script .= '}' . "\n";
							}

							$_script .= $this->getMapFunctions();

							if($this->_minify_js && class_exists("JSMin")){
								$_script = JSMin::minify($_script);
							}

							//Append script to output
							$_output .= $_script;
							$_output .= '//]]>' . "\n";
							$_output .= '</script>' . "\n";
							return $_output;
						}

						/**
						 * function to render utility functions for use on the page
						 */
						function getMapFunctions(){
							$_script = "";
							if($this->_display_js_functions===true){
								$_script = $this->getUtilityFunctions();
							}
							return $_script;
						}

						function getUtilityFunctions(){
							$_script = "";
							if(!empty($this->_markers))
							$_script .= $this->getCreateMarkerJS();
							if(!empty($this->_overlays))
							$_script .= $this->getCreateOverlayJS();
							if(!empty($this->_elevation_polylines)||(!empty($this->_directions)&&$this->elevation_directions))
							$_script .= $this->getPlotElevationJS();
							// Utility functions used to distinguish between tabbed and non-tabbed info windows
							$_script .= 'function isArray(a) {return isObject(a) && a.constructor == Array;}' . "\n";
							$_script .= 'function isObject(a) {return (a && typeof a == \'object\') || isFunction(a);}' . "\n";
							$_script .= 'function isFunction(a) {return typeof a == \'function\';}' . "\n";
							$_script .= 'function isEmpty(obj) { for(var i in obj) { return false; } return true; }'."\n";
							return $_script;
						}

						/**
						 * overridable function for generating js to add markers
						 */
						function getAddMarkersJS($map_id = "", $pano= false) {
							//defaults
							if($map_id == ""){
								$map_id = $this->map_id;
							}

							if($pano==false){
								$_prefix = "map";
							}else{
								$_prefix = "panorama".$this->street_view_dom_id;
							}
							$_output = '';
							foreach($this->_markers as $_marker) {
								$iw_html = str_replace('"','\"',str_replace(array("\n", "\r"), "", $_marker['html']));
								// replace commas with periods so we can pass parameters!
								$lat = str_replace(',', '.', $_marker['lat']);
								$lon = str_replace(',', '.', $_marker['lon']);
								$_output .= "var point = new google.maps.LatLng(".$lat.",".$lon.");\n";
								$_output .= sprintf('%s.push(createMarker(%s%s, point,"%s","%s", %s, %s, "%s", %s ));',
								(($pano==true)?$_prefix:"")."markers".$map_id,
								$_prefix,
								$map_id,
								str_replace('"','\"',$_marker['title']),
								str_replace('/','\/',$iw_html),
								(isset($_marker["icon_key"]))?"icon".$map_id."['".$_marker["icon_key"]."'].image":"''",
								(isset($_marker["icon_key"])&&isset($_marker["shadow_icon"]))?"icon".$map_id."['".$_marker["icon_key"]."'].shadow":"''",
								(($this->sidebar)?$this->sidebar_id:""),
								((isset($_marker["openers"])&&count($_marker["openers"])>0)?json_encode($_marker["openers"]):"''")
								) . "\n";
							}

							if($this->marker_clusterer && $pano==false){//only do marker clusterer for map, not streetview
								$_output .= "
															 markerClusterer".$map_id." = new MarkerClusterer(".$_prefix.$map_id.", markers".$map_id.", {
																maxZoom: ".$this->marker_clusterer_options["maxZoom"].",
																gridSize: ".$this->marker_clusterer_options["gridSize"].",
																styles: ".$this->marker_clusterer_options["styles"]."
															});

														";
							}
							return $_output;
						}

						/**
						 * overridable function to generate polyline js - for now can only be used on a map, not a streetview
						 */
						function getPolylineJS() {
							$_output = '';
							foreach($this->_polylines as $polyline_id =>$_polyline) {
								$_coords_output = "";
								foreach($_polyline["coords"] as $_coords){
									if($_coords_output != ""){$_coords_output.=",";}
									$_coords_output .= "
																					new google.maps.LatLng(".$_coords["lat"].", ".$_coords["long"].")
																		 ";
								}
								$_output .= "
															 polylineCoords".$this->map_id."[$polyline_id] = [".$_coords_output."];
															 polylines".$this->map_id."[$polyline_id] = new google.maps.Polyline({
																path: polylineCoords".$this->map_id."[$polyline_id]
																".(($_polyline['color']!="")?", strokeColor: '".$_polyline['color']."'":"")."
																".(($_polyline['opacity']!=0)?", strokeOpacity: ".$_polyline['opacity']."":"")."
																".(($_polyline['weight']!=0)?", strokeWeight: ".$_polyline['weight']."":"")."
															});
															polylines".$this->map_id."[$polyline_id].setMap(map".$this->map_id.");
														 ";

								//Elevation profiles
								if(!empty($this->_elevation_polylines) && isset($this->_elevation_polylines[$polyline_id])){
									$elevation_dom_id=$this->_elevation_polylines[$polyline_id]["dom_id"];
									$width = $this->_elevation_polylines[$polyline_id]["width"];
									$height = $this->_elevation_polylines[$polyline_id]["height"];
									$samples = $this->_elevation_polylines[$polyline_id]["samples"];
									$focus_color = $this->_elevation_polylines[$polyline_id]["focus_color"];
									$_output .= "
																elevationPolylines".$this->map_id."[$polyline_id] = {
																	'selector':'$elevation_dom_id',
																	'chart': new google.visualization.ColumnChart(document.getElementById('$elevation_dom_id')),
																	'service': new google.maps.ElevationService(),
																	'width':$width,
																	'height':$height,
																	'focusColor':'$focus_color',
																	'marker':null
																};
																elevationPolylines".$this->map_id."[$polyline_id]['service'].getElevationAlongPath({
																	path: polylineCoords".$this->map_id."[$polyline_id],
																	samples: $samples
																}, function(results,status){plotElevation(results,status, elevationPolylines".$this->map_id."[$polyline_id], map".$this->map_id.", elevationCharts".$this->map_id.");});
															";
								}
							}
							return $_output;
						}

						/**
						 * function to render proper calls for directions - for now can only be used on a map, not a streetview
						 */
						function getAddDirectionsJS(){
							$_output = "";

							foreach($this->_directions as $directions){
								$dom_id = $directions["dom_id"];
								$travelModeParams = array();
								$directionsParams = "";
								if($this->walking_directions==TRUE)
								$directionsParams .= ", \n travelMode:google.maps.DirectionsTravelMode.WALKING";
								else if($this->biking_directions==TRUE)
								$directionsParams .= ", \n travelMode:google.maps.DirectionsTravelMode.BICYCLING";
								else
								$directionsParams .= ", \n travelMode:google.maps.DirectionsTravelMode.DRIVING";

								if($this->avoid_highways==TRUE)
								$directionsParams .= ", \n avoidHighways: true";
								if($this->avoid_tollways==TRUE)
								$directionsParams .= ", \n avoidTolls: true";

								$_output .= "
														directions".$this->map_id."['$dom_id'] = {
														displayRenderer:new google.maps.DirectionsRenderer(),
														directionService:new google.maps.DirectionsService(),
														request:{
															origin: '".$directions["start"]."',
															destination: '".$directions["dest"]."'
															$directionsParams
														}
														".(($this->elevation_directions)?",
															 selector: '".$directions["elevation_dom_id"]."',
															 chart: new google.visualization.ColumnChart(document.getElementById('".$directions["elevation_dom_id"]."')),
															 service: new google.maps.ElevationService(),
															 width:".$directions["width"].",
															 height:".$directions["height"].",
															 focusColor:'#00FF00',
															 marker:null
														 ":"")."
															};
															directions".$this->map_id."['$dom_id'].displayRenderer.setMap(map".$this->map_id.");
															directions".$this->map_id."['$dom_id'].displayRenderer.setPanel(document.getElementById('$dom_id'));
															directions".$this->map_id."['$dom_id'].directionService.route(directions".$this->map_id."['$dom_id'].request, function(response, status) {
																if (status == google.maps.DirectionsStatus.OK) {
																	 directions".$this->map_id."['$dom_id'].displayRenderer.setDirections(response);
																	 ".(($this->elevation_directions)?"
																		 directions".$this->map_id."['$dom_id'].service.getElevationAlongPath({
																			 path: response.routes[0].overview_path,
																			 samples: ".$directions["elevation_samples"]."
																		 }, function(results,status){plotElevation(results,status, directions".$this->map_id."['$dom_id'], map".$this->map_id.", elevationCharts".$this->map_id.");});
																	 ":"")."
																}
															});
														 ";
							}

							return $_output;
						}

						/**
						 * function to get overlay creation JS.
						 */
						function getAddOverlayJS(){
							$_output = "";
							foreach($this->_overlays as $_key=>$_overlay){
								$_output .= "
														 var bounds = new google.maps.LatLngBounds(new google.maps.LatLng(".$_overlay["bounds"]["ne"]["lat"].", ".$_overlay["bounds"]["ne"]["long"]."), new google.maps.LatLng(".$_overlay["bounds"]["sw"]["lat"].", ".$_overlay["bounds"]["sw"]["long"]."));
														 var image = '".$_overlay["img"]."';
															 overlays".$this->map_id."[$_key] = new CustomOverlay(bounds, image, map".$this->map_id.", ".$_overlay["opacity"].");
													 ";
							}
							return $_output;
						}

						/**
						 * overridable function to generate the js for the js function for creating a marker.
						 */
						function getCreateMarkerJS() {
							$_output = "
												 function createMarker(map, point, title, html, icon, icon_shadow, sidebar_id, openers){
													var marker_options = {
															position: point,
															map: map,
															title: title};
													if(icon!=''){marker_options.icon = icon;}
													if(icon_shadow!=''){marker_options.icon_shadow = icon_shadow;}
													//create marker
													var new_marker = new google.maps.Marker(marker_options);
													if(html!=''){
													".(($this->info_window)?"
															var infowindow = new google.maps.InfoWindow({content: html});
															google.maps.event.addListener(new_marker, '".$this->window_trigger."', function() {
																infowindow.open(map,new_marker);
															});
													if(openers != ''&&!isEmpty(openers)){
																 for(var i in openers){
																	 var opener = document.getElementById(openers[i]);
																	 opener.on".$this->window_trigger." = function(){infowindow.open(map,new_marker); return false};
																 }
															}
													":"")."
															if(sidebar_id != ''){
																	var sidebar = document.getElementById(sidebar_id);
														if(sidebar!=null && sidebar!=undefined && title!=null && title!=''){
															var newlink = document.createElement('a');
															".(($this->info_window)?"
																	newlink.onclick=function(){infowindow.open(map,new_marker); return false};
															":"
															newlink.onclick=function(){map.setCenter(point); return false};
															")."
															newlink.innerHTML = title;
															sidebar.appendChild(newlink);
														}
															}
																}
													return new_marker;
											}
											";
							return $_output;
						}

						/**
						 * Get create overlay js
						 */
						function getCreateOverlayJS(){
							$_output = "
													CustomOverlay.prototype = new google.maps.OverlayView();
													function CustomOverlay(bounds, image, map, opacity){
														this.bounds_ = bounds;
														this.image_ = image;
														this.map_ = map;
														this.div_ = null;
														this.opacity = (opacity!='')?opacity:10;
														this.setMap(map);
													}
													CustomOverlay.prototype.onAdd = function() {
														var div = document.createElement('DIV');
														div.style.borderStyle = 'none';
														div.style.borderWidth = '0px';
														div.style.position = 'absolute';
														var img = document.createElement('img');
														img.src = this.image_;
														img.style.width = '100%';
														img.style.height = '100%';
														img.style.opacity = this.opacity/10;
														img.style.filter = 'alpha(opacity='+this.opacity*10+')';
														div.appendChild(img);
														this.div_ = div;
														var panes = this.getPanes();
														panes.overlayImage.appendChild(div);
													}
													CustomOverlay.prototype.draw = function() {
														var overlayProjection = this.getProjection();
														var sw = overlayProjection.fromLatLngToDivPixel(this.bounds_.getSouthWest());
														var ne = overlayProjection.fromLatLngToDivPixel(this.bounds_.getNorthEast());
														var div = this.div_;
														div.style.left = sw.x + 'px';
														div.style.top = ne.y + 'px';
														div.style.width = (ne.x - sw.x) + 'px';
														div.style.height = (sw.y - ne.y) + 'px';
													}
													CustomOverlay.prototype.onRemove = function() {
														this.div_.parentNode.removeChild(this.div_);
														this.div_ = null;
													}
												 ";
							return $_output;
						}

						/**
						 * print helper function to draw elevation results as a chart
						 */
						function getPlotElevationJS(){
							$_output = "
													function plotElevation(results, status, elevation_data, map, charts_array) {
														charts_array[elevation_data.selector] = {
															results:results,
															data:new google.visualization.DataTable()
														};
														charts_array[elevation_data.selector].data.addColumn('string', 'Sample');
														charts_array[elevation_data.selector].data.addColumn('number', 'Elevation');
														for (var i = 0; i < charts_array[elevation_data.selector].results.length; i++) {
															charts_array[elevation_data.selector].data.addRow(['', charts_array[elevation_data.selector].results[i].elevation]);
														}
														document.getElementById(elevation_data.selector).style.display = 'block';
														elevation_data.chart.draw(charts_array[elevation_data.selector].data, {
															width: elevation_data.width,
															height: elevation_data.height,
															legend: 'none',
															titleY: 'Elevation (m)',
															focusBorderColor: elevation_data.focusColor
														});
												";
							if($this->elevation_markers){
								$_output .= $this->getElevationMarkerJS();
							}
							$_output .= "}";
							return $_output;
						}

						/**
						 * create JS that is inside of JS plot elevation function
						 */
						function getElevationMarkerJS(){
							$_output = "
													google.visualization.events.addListener(elevation_data.chart, 'onmouseover', function(e) {
														if(elevation_data.marker==null){
															elevation_data.marker = new google.maps.Marker({
																position: charts_array[elevation_data.selector].results[e.row].location,
																map: map,
																icon: 'http://maps.google.com/mapfiles/ms/icons/green-dot.png'
															});
														}else{
															elevation_data.marker.setPosition(charts_array[elevation_data.selector].results[e.row].location);
														}
														map.setCenter(charts_array[elevation_data.selector].results[e.row].location);
													});
													document.getElementById(elevation_data.selector).onmouseout = function(){
														elevation_data.marker = clearElevationMarker(elevation_data.marker);
													};
													function clearElevationMarker(marker){
														if(marker!=null){
															marker.setMap(null);
															return null;
														}
													}
												";
							return $_output;
						}


						/**
						 * print map (put at location map will appear)
						 *
						 */
						function printMap() {
							echo $this->getMap();
						}

						/**
						 * return map
						 *
						 */
						function getMap() {
							$_output = '<script type="text/javascript" charset="utf-8">' . "\n" . '//<![CDATA[' . "\n";
							//$_output .= 'if (GBrowserIsCompatible()) {' . "\n";
							if(strlen($this->width) > 0 && strlen($this->height) > 0) {
								$_output .= sprintf('document.write(\'<div id="%s" style="width: %s; height: %s; position:relative;"><\/div>\');',$this->map_id,$this->width,$this->height) . "\n";
							} else {
								$_output .= sprintf('document.write(\'<div id="%s" style="position:relative;"><\/div>\');',$this->map_id) . "\n";
							}
							//$_output .= '}';

							//if(!empty($this->js_alert)) {
							//    $_output .= ' else {' . "\n";
							//    $_output .= sprintf('document.write(\'%s\');', str_replace('/','\/',$this->js_alert)) . "\n";
							//    $_output .= '}' . "\n";
							//}

							$_output .= '//]]>' . "\n" . '</script>' . "\n";

							if(!empty($this->js_alert)) {
								$_output .= '<noscript>' . $this->js_alert . '</noscript>' . "\n";
							}

							return $_output;
						}


						/**
						 * print sidebar (put at location sidebar will appear)
						 *
						 */
						function printSidebar() {
							echo $this->getSidebar();
						}

						/**
						 * return sidebar html
						 *
						 */
						function getSidebar() {
							return sprintf('<div id="%s" class="'.$this->sidebar_id.'"></div>',$this->sidebar_id) . "\n";
						}

						/**
						 * get the geocode lat/lon points from given address
						 * look in cache first, otherwise get from Yahoo
						 *
						 * @param string $address
						 * @return array GeoCode information
						 */
						function getGeocode($address) {
							if(empty($address))
							return false;
							$_geocode = false;
							if(($_geocode = $this->getCache($address)) === false) {
								if(($_geocode = $this->geoGetCoords($address)) !== false) {
									$this->putCache($address, $_geocode['lon'], $_geocode['lat']);
								}
							}
							return $_geocode;
						}

						/**
						 * get the geocode lat/lon points from cache for given address
						 *
						 * @param string $address
						 * @return bool|array False if no cache, array of data if has cache
						 */
						function getCache($address) {
							if(!isset($this->dsn))
							return false;

							$_ret = array();

							// PEAR DB
							require_once('DB.php');
							$_db =& DB::connect($this->dsn);
							if (PEAR::isError($_db)) {
								die($_db->getMessage());
							}
							$_res =& $_db->query("SELECT lon,lat FROM {$this->_db_cache_table} where address = ?", $address);
							if (PEAR::isError($_res)) {
								die($_res->getMessage());
							}
							if($_row = $_res->fetchRow()) {
								$_ret['lon'] = $_row[0];
								$_ret['lat'] = $_row[1];
							}

							$_db->disconnect();

							return !empty($_ret) ? $_ret : false;
						}

						/**
						 * put the geocode lat/lon points into cache for given address
						 *
						 * @param string $address
						 * @param string $lon the map latitude (horizontal)
						 * @param string $lat the map latitude (vertical)
						 * @return bool Status of put cache request
						 */
						function putCache($address, $lon, $lat) {
							if(!isset($this->dsn) || (strlen($address) == 0 || strlen($lon) == 0 || strlen($lat) == 0))
							return false;
							// PEAR DB
							require_once('DB.php');
							$_db =& DB::connect($this->dsn);
							if (PEAR::isError($_db)) {
								die($_db->getMessage());
							}
							$_res =& $_db->query('insert into '.$this->_db_cache_table.' values (?, ?, ?)', array($address, $lon, $lat));
							if (PEAR::isError($_res)) {
								die($_res->getMessage());
							}
							$_db->disconnect();
							return true;
						}

						/**
						 * get geocode lat/lon points for given address from Yahoo
						 *
						 * @param string $address
						 * @return bool|array false if can't be geocoded, array or geocdoes if successful
						 */
						function geoGetCoords($address,$depth=0) {
							switch($this->lookup_service) {
								case 'GOOGLE':
									$_url = sprintf('http://%s/maps/api/geocode/json?sensor=%s&address=%s',$this->lookup_server['GOOGLE'], $this->mobile==true?"true":"false", rawurlencode($address));
									$_result = false;
									if($_result = $this->fetchURL($_url)) {
										$_result_parts = json_decode($_result);
										if($_result_parts->status!="OK"){
											return false;
										}
										$_coords['lat'] = $_result_parts->results[0]->geometry->location->lat;
										$_coords['lon'] = $_result_parts->results[0]->geometry->location->lng;
									}
									break;
								case 'YAHOO':
								default:
									$_url = 'http://%s/MapsService/V1/geocode';
									$_url .= sprintf('?appid=%s&location=%s',$this->lookup_server['YAHOO'],$this->app_id,rawurlencode($address));
									$_result = false;
									if($_result = $this->fetchURL($_url)) {
										preg_match('!<Latitude>(.*)</Latitude><Longitude>(.*)</Longitude>!U', $_result, $_match);
										$_coords['lon'] = $_match[2];
										$_coords['lat'] = $_match[1];
									}
									break;
							}
							return $_coords;
						}

						/**
						 * get full geocode information for given address from Google
						 * NOTE: This does not use the getCache function as there is
						 * a lot of data in a full geocode response to cache.
						 *
						 * @param string $address
						 * @return bool|array false if can't be geocoded, array or geocdoes if successful
						 */
						function geoGetCoordsFull($address,$depth=0) {
							switch($this->lookup_service) {
								case 'GOOGLE':
									$_url = sprintf('http://%s/maps/api/geocode/json?sensor=%s&address=%s',$this->lookup_server['GOOGLE'], $this->mobile==true?"true":"false", rawurlencode($address));
									$_result = false;
									if($_result = $this->fetchURL($_url)) {
										return json_decode($_result);
									}
									break;
								case 'YAHOO':
								default:
									$_url = 'http://%s/MapsService/V1/geocode';
									$_url .= sprintf('?appid=%s&location=%s',$this->lookup_server['YAHOO'],$this->app_id,rawurlencode($address));
									$_result = false;
									if($_result = $this->fetchURL($_url)) {
										return $_match;
									}
									break;
							}
						}

						/**
						 * fetch a URL. Override this method to change the way URLs are fetched.
						 *
						 * @param string $url
						 */
						function fetchURL($url) {

							return file_get_contents($url);

						}

						/**
						 * get distance between to geocoords using great circle distance formula
						 *
						 * @param float $lat1
						 * @param float $lat2
						 * @param float $lon1
						 * @param float $lon2
						 * @param float $unit   M=miles, K=kilometers, N=nautical miles, I=inches, F=feet
						 * @return float
						 */
						function geoGetDistance($lat1,$lon1,$lat2,$lon2,$unit='M') {

							// calculate miles
							$M =  69.09 * rad2deg(acos(sin(deg2rad($lat1)) * sin(deg2rad($lat2)) +  cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($lon1 - $lon2))));

							switch(strtoupper($unit))
							{
								case 'K':
									// kilometers
									return $M * 1.609344;
									break;
								case 'N':
									// nautical miles
									return $M * 0.868976242;
									break;
								case 'F':
									// feet
									return $M * 5280;
									break;
								case 'I':
									// inches
									return $M * 63360;
									break;
								case 'M':
								default:
									// miles
									return $M;
									break;
							}

						}

}

?>