function initializemap() {
	map = null;
	bounds = null;
	latstr = String($('#dealerLats').val()).split(':');
	lngstr = String($('#dealerLngs').val()).split(':');
	markertxt = String($('#dealerMarkerTxts').val()).split(':|:');
	marker = new Array(0,0);
	
	baseIcon = new GIcon();
	baseIcon.shadow = 'http://www.google.com/mapfiles/shadow50.png';
	baseIcon.iconSize = new GSize(20, 34);
	baseIcon.shadowSize = new GSize(37, 34);
	baseIcon.iconAnchor = new GPoint(9, 34);
	baseIcon.infoWindowAnchor = new GPoint(9, 2);
	baseIcon.infoShadowAnchor = new GPoint(18, 25);
	
	map = new GMap2(document.getElementById('dealerMapDiv'));
	map.addControl(new GSmallMapControl());
	map.addControl(new GMapTypeControl());    
	map.setCenter(new GLatLng(0,0),13);
	bounds = new GLatLngBounds();
	populate_map();
}

function createMarker(point, index) {
	var letter = String.fromCharCode('A'.charCodeAt(0) + index);
	var letteredIcon = new GIcon(baseIcon);
	letteredIcon.image = 'http://www.google.com/mapfiles/marker' + letter + '.png';
	markerOptions = { icon:letteredIcon };
	marker[index] = new GMarker(point, markerOptions);
	GEvent.addListener(marker[index], 'click', function(){
	marker[index].openInfoWindowHtml(markertxt[index]); });
	GEvent.addListener(marker[index], 'infowindowclose', function(){
		map.panTo(bounds.getCenter());
	});
	return marker[index];
}
function populate_map(){
	var points = [];
	for (var i=0; i<latstr.length; i++) {
		if(latstr[i]!=0){
			var lat = latstr[i];
			var lng = lngstr[i];
			var point = new GLatLng(lat, lng);
			points.push(point);
			bounds.extend(point);
			map.addOverlay(createMarker(point, i));
		}
	}
	map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
	var t = setTimeout('check_zoomlevel()', 1000);
}
function check_zoomlevel(){
	if(map.getContainer().getElementsByTagName('p').length>0){
		map.zoomOut();
	}
}


function update_citybox(prov, city){
	$('#citybox').removeOption(/./);
	$('#citybox').addOption('choose', 'Select City');
	
	var citystr = String($('#citystr').val()).split(':');
	var provstr = String($('#provstr').val()).split(':');
	for(var i=0; i < citystr.length; i++){
		if(provstr[i]==prov){
			$('#citybox').addOption(citystr[i], citystr[i]);
		}
	}
	$('#citybox').selectOptions('choose');
	return false;
}
function view_city(){
	var dlrsfrm = document.getElementById('dealersfrm');
	var pbox = document.getElementById('provincebox');
	var cbox = document.getElementById('citybox');
	dlrsfrm.action += '?province=' + pbox.value +'&city=' + cbox.value;
	dlrsfrm.submit();
}