function addMarkers(){
	mySelect = document.getElementById('selection');
Northfields = [];mySelect.options[mySelect.options.length] = new Option("Northfields Schools",'all=Northfields');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Northfields[Northfields.length] = createMarker(new GLatLng(42.69196800,-72.45733300),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a href='/school_ov/school_id/335'>Test Summer 1 School</a></b><br />Behind Street<br />Northfields, MA 78766<br /><br /><a href='/school_ov/school_id/335'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Test Summer 1 School",'Northfields=' + Northfields.length);
map.removeOverlays(Northfields);
setTimeout(function(){map.addOverlays(Northfields)},1000);

		maxLng = -72.45733300;
		maxLat = 42.69196800;
		minLng = -72.45733300;
		minLat = 42.69196800;
		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(Northfields);
		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(Northfields);map.removeOverlays(Northfields);
map.addOverlays(Northfields);
centerByArray(Northfields, false, false);
cntMarker += Northfields.length;
centerByArray(Northfields,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;
}