function addMarkers(){
	mySelect = document.getElementById('selection');
Camptown = [];Pittsburgh = [];Gettysburg = [];King_Of_Prussia = [];Radnor = [];Mercersburg = [];Philadelphia = [];Wayne = [];Kingston = [];mySelect.options[mySelect.options.length] = new Option("Camptown Schools",'all=Camptown');
mySelect.options[mySelect.options.length] = new Option("Gettysburg Schools",'all=Gettysburg');
mySelect.options[mySelect.options.length] = new Option("King Of Prussia Schools",'all=King_Of_Prussia');
mySelect.options[mySelect.options.length] = new Option("Kingston Schools",'all=Kingston');
mySelect.options[mySelect.options.length] = new Option("Mercersburg Schools",'all=Mercersburg');
mySelect.options[mySelect.options.length] = new Option("Philadelphia Schools",'all=Philadelphia');
mySelect.options[mySelect.options.length] = new Option("Pittsburgh Schools",'all=Pittsburgh');
mySelect.options[mySelect.options.length] = new Option("Radnor Schools",'all=Radnor');
mySelect.options[mySelect.options.length] = new Option("Wayne Schools",'all=Wayne');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Camptown[Camptown.length] = createMarker(new GLatLng(41.73026000,-76.23827400),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/37'>Camp Ballibay For The Fine And Performing Arts</a></b><br />Box 1 Ballibay Road<br />Camptown, PA 18815<br /><br /><a href='/school_ov/school_id/37'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Camp Ballibay For The Fine And Performing Arts",'Camptown=' + Camptown.length);
Pittsburgh[Pittsburgh.length] = createMarker(new GLatLng(40.44457950,-79.94289220),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/58'>Carnegie Mellon University</a></b><br />5000 Forbes Avenue<br />Pittsburgh, PA 15213<br /><br /><a href='/school_ov/school_id/58'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carnegie Mellon University",'Pittsburgh=' + Pittsburgh.length);
Gettysburg[Gettysburg.length] = createMarker(new GLatLng(39.83023000,-77.23111400),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/126'>Gettysburg College</a></b><br />300 North Washington Street, Box 2994<br />Gettysburg, PA 17325<br /><br /><a href='/school_ov/school_id/126'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Gettysburg College",'Gettysburg=' + Gettysburg.length);
King_Of_Prussia[King_Of_Prussia.length] = createMarker(new GLatLng(40.07857100,-75.35378100),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/162'>Julian Krinsky Camps And Programs</a></b><br />610 South Henderson Road<br />King Of Prussia, PA 19406<br /><br /><a href='/school_ov/school_id/162'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Julian Krinsky Camps And Programs",'King_Of_Prussia=' + King_Of_Prussia.length);
Radnor[Radnor.length] = createMarker(new GLatLng(40.05242870,-75.41414370),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/180'>Maine Teen Camp</a></b><br />190 Upper Gulph Road<br />Radnor, PA 19087<br /><br /><a href='/school_ov/school_id/180'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Maine Teen Camp",'Radnor=' + Radnor.length);
Mercersburg[Mercersburg.length] = createMarker(new GLatLng(39.82827830,-77.90033400),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/184'>Mercersburg Academy Summer Programs</a></b><br />300 East Seminary Street<br />Mercersburg, PA 17236<br /><br /><a href='/school_ov/school_id/184'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Mercersburg Academy Summer Programs",'Mercersburg=' + Mercersburg.length);
Philadelphia[Philadelphia.length] = createMarker(new GLatLng(39.95593490,-75.19208130),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/298'>University Of Pennsylvania</a></b><br />3440 Market Street, Suite 100<br />Philadelphia, PA 19104<br /><br /><a href='/school_ov/school_id/298'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("University Of Pennsylvania",'Philadelphia=' + Philadelphia.length);
Philadelphia[Philadelphia.length] = createMarker(new GLatLng(39.94643200,-75.16527200),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/303'>University Of The Arts</a></b><br />320 South Broad Street<br />Philadelphia, PA 19102<br /><br /><a href='/school_ov/school_id/303'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("University Of The Arts",'Philadelphia=' + Philadelphia.length);
Wayne[Wayne.length] = createMarker(new GLatLng(40.05302220,-75.38080200),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/304'>Valley Forge Military Academy And College</a></b><br />1001 Eagle Road<br />Wayne, PA 19087<br /><br /><a href='/school_ov/school_id/304'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Valley Forge Military Academy And College",'Wayne=' + Wayne.length);
Kingston[Kingston.length] = createMarker(new GLatLng(41.26280500,-75.89845600),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/328'>Wyoming Seminary College Preparatory School</a></b><br />201 North Sprague Avenue<br />Kingston, PA 18704<br /><br /><a href='/school_ov/school_id/328'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Wyoming Seminary College Preparatory School",'Kingston=' + Kingston.length);
map.removeOverlays(Camptown);
map.removeOverlays(Gettysburg);
map.removeOverlays(King_Of_Prussia);
map.removeOverlays(Kingston);
map.removeOverlays(Mercersburg);
map.removeOverlays(Philadelphia);
map.removeOverlays(Pittsburgh);
map.removeOverlays(Radnor);
map.removeOverlays(Wayne);
setTimeout(function(){map.addOverlays(Camptown)},1000);
setTimeout(function(){map.addOverlays(Gettysburg)},1000);
setTimeout(function(){map.addOverlays(King_Of_Prussia)},1000);
setTimeout(function(){map.addOverlays(Kingston)},1000);
setTimeout(function(){map.addOverlays(Mercersburg)},1000);
setTimeout(function(){map.addOverlays(Philadelphia)},1000);
setTimeout(function(){map.addOverlays(Pittsburgh)},1000);
setTimeout(function(){map.addOverlays(Radnor)},1000);
setTimeout(function(){map.addOverlays(Wayne)},1000);

		maxLng = -75.16527200;
		maxLat = 41.73026000;
		minLng = -79.94289220;
		minLat = 39.82827830;
		reCenterMap();
	}
// End addStateMarkers JavaScript Function

function openAll() {
	if (map) {
		selectChange("all");	
	} else {
		setTimeout("openAll()",200);
	}
}

// Takes an array of markers and centers/zooms map based on marker range
function centerByArray(myArray, recenter, newMaxMin){
	if (newMaxMin == true)
		reMaxMin(myArray);
		
	for (var i = 0; i < myArray.length; i++){
		var markLng = myArray[i].point.x;
		var markLat = myArray[i].point.y;

		if (markLat > maxLat) maxLat = markLat;
		if (markLng > maxLng) maxLng = markLng;
		if (markLat < minLat) minLat = markLat;
		if (markLng < minLng) minLng = markLng;
	}

	if (recenter)
		reCenterMap();
}

// Reinit max/mins
function reMaxMin(myArray){
//alert(myArray[0].point.x);
	maxLng = myArray[0].point.x;
	maxLat = myArray[0].point.y;
	minLng = myArray[0].point.x;
	minLat = myArray[0].point.y;
}

// Recenter map based on global max/mins
function reCenterMap(){
	//alert('#' + minLat + '#' + minLng + '#' + maxLat + '#' + maxLng);
	var bounds = new GLatLngBounds();
	bounds.extend(new GLatLng(minLat, minLng));
	bounds.extend(new GLatLng(maxLat, maxLng));
	var center_lat = (bounds.getNorthEast().lat() +	bounds.getSouthWest().lat()) / 2.0;
	var center_lng = (bounds.getNorthEast().lng() +	bounds.getSouthWest().lng()) / 2.0;
	var center = new GLatLng(center_lat, center_lng);
	var zoom = map.getBoundsZoomLevel(bounds);	
	if(minLat == maxLat) zoom = 9;
	map.setCenter(center,zoom);
	//map.setCenter(center,10);
/*
	var center = new GPoint( (maxLng + minLng)/2, (maxLat+minLat)/2 );
	var delta = new GSize(maxLng - minLng, maxLat - minLat); 
	var minZoom = map.spec.getLowestZoomLevel(center, delta, map.viewSize);
	if (minZoom < 4) minZoom = 4; // Lowest possible zoom is 4
	map.centerAndZoom(center, minZoom); 
*/
}

// Fires when drop down list of schools changes
function selectChange(selection) {
	var myVal = selection.options[selection.selectedIndex].value;
	map.closeInfoWindow();
	
	// Add entire array based on variable type
	if (myVal.indexOf('all') != -1 && myVal != 'all'){
		var temp = myVal.split('=');
		var showArray = temp[1];
		
				// If Array is > X amount of markers, then open in a new page
				if (eval(showArray).length > 20)
				 // New window depends on whether or not we're on the search page
				 if (location.href.indexOf('nearby_schools.php') == -1)
					window.open(location.href + '/map/' + showArray);
				 else
					window.open('/search////all');
			      map.removeOverlays(Camptown);
map.removeOverlays(Gettysburg);
map.removeOverlays(King_Of_Prussia);
map.removeOverlays(Kingston);
map.removeOverlays(Mercersburg);
map.removeOverlays(Philadelphia);
map.removeOverlays(Pittsburgh);
map.removeOverlays(Radnor);
map.removeOverlays(Wayne);
		map.addOverlays(eval(showArray));
		centerByArray(eval(showArray), true, true); // Center and zoom on set of markers
	}
	
	// Add individual markers
	if (myVal.indexOf('all') == -1 && myVal != 'all' && myVal.length)	{
		var temp = myVal.split('=');
		var myArray = temp[0];
		var myIndex = parseInt(temp[1]) - 1;
		document.getElementById('map').width = "750";
		map.removeOverlay(eval(myArray)[myIndex]);
		map.addOverlay(eval(myArray)[myIndex]);
		GEvent.trigger(eval(myArray)[myIndex],'click');		
	}
	
	// Show all markers
	if (myVal == 'all')	{
		cntMarker = 0;
	reMaxMin(Camptown);map.removeOverlays(Camptown);
map.removeOverlays(Gettysburg);
map.removeOverlays(King_Of_Prussia);
map.removeOverlays(Kingston);
map.removeOverlays(Mercersburg);
map.removeOverlays(Philadelphia);
map.removeOverlays(Pittsburgh);
map.removeOverlays(Radnor);
map.removeOverlays(Wayne);
map.addOverlays(Camptown);
centerByArray(Camptown, false, false);
cntMarker += Camptown.length;
map.addOverlays(Gettysburg);
centerByArray(Gettysburg, false, false);
cntMarker += Gettysburg.length;
map.addOverlays(King_Of_Prussia);
centerByArray(King_Of_Prussia, false, false);
cntMarker += King_Of_Prussia.length;
map.addOverlays(Kingston);
centerByArray(Kingston, false, false);
cntMarker += Kingston.length;
map.addOverlays(Mercersburg);
centerByArray(Mercersburg, false, false);
cntMarker += Mercersburg.length;
map.addOverlays(Philadelphia);
centerByArray(Philadelphia, false, false);
cntMarker += Philadelphia.length;
map.addOverlays(Pittsburgh);
centerByArray(Pittsburgh, false, false);
cntMarker += Pittsburgh.length;
map.addOverlays(Radnor);
centerByArray(Radnor, false, false);
cntMarker += Radnor.length;
map.addOverlays(Wayne);
centerByArray(Wayne, false, false);
cntMarker += Wayne.length;
centerByArray(Camptown,true, false);
			//if (cntMarker > 20) 
			 // New window depends on whether or not we're on the search page
			 if (location.href.indexOf('nearby_schools.php') == -1)
				window.open(location.href + '/map/all');
			 //else
				//window.open('/search////all');
				}
}

function createMarker(point, label, icon){
	  var marker = new GMarker(point, icon);
	  var html = label;
	  GEvent.addListener(marker, "click", function() {	marker.openInfoWindowHtml(html); });
	  return marker;
}