function addMarkers(){
	mySelect = document.getElementById('selection');
Sperryville = [];Castleton = [];Flint_Hill = [];mySelect.options[mySelect.options.length] = new Option("Castleton schools",'all=Castleton');
mySelect.options[mySelect.options.length] = new Option("Flint Hill schools",'all=Flint_Hill');
mySelect.options[mySelect.options.length] = new Option("Sperryville schools",'all=Sperryville');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Sperryville[Sperryville.length] = createMarker(new GPoint(-78.24909900,38.63198000),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a target='_blank' href='/school_ov/school_id/32999'>Hearthstone School</a></b><br />Po Box 247<br />Sperryville, VA 22740<br /><i>Co-ed school, PK-12</i><br /><a target='_blank' href='/school_ov/school_id/32999'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Hearthstone School",'Sperryville=' + Sperryville.length);
Castleton[Castleton.length] = createMarker(new GPoint(-78.07845400,38.67074600),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a target='_blank' href='/school_ov/school_id/28272'>Massanova Christian Academy</a></b><br />691 Aaron Mountain Road<br />Castleton, VA 22716<br /><i>Co-ed school, K-12</i><br /><a target='_blank' href='/school_ov/school_id/28272'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Massanova Christian Academy",'Castleton=' + Castleton.length);
Flint_Hill[Flint_Hill.length] = createMarker(new GPoint(-78.07978300,38.76563600),"<div style='width: 200px; text-align: center; font-face: arial; font-size: 12px;'><b><a target='_blank' href='/school_ov/school_id/28516'>Wakefield Country Day School</a></b><br />P.O. Box 739<br />Flint Hill, VA 22627<br /><i>Co-ed school, NS-12</i><br /><a target='_blank' href='/school_ov/school_id/28516'>[ View School Profile ]</a></div>",iconGr);
mySelect.options[mySelect.options.length] = new Option("Wakefield Country Day School",'Flint_Hill=' + Flint_Hill.length);
} // End addStateMarkers JavaScript Function

// 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].getPoint().x;
		var markLat = myArray[i].getPoint().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)
{
	maxLng = myArray[0].getPoint().x;
	maxLat = myArray[0].getPoint().y;
	minLng = myArray[0].getPoint().x;
	minLat = myArray[0].getPoint().y;
}

// Recenter map based on global max/mins
function reCenterMap()
{
	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);	
	map.setCenter(center,zoom);
	//map.setCenter(center,11);
/*
	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/////1/' + showArray);
			map.removeOverlays(Castleton);
map.removeOverlays(Flint_Hill);
map.removeOverlays(Sperryville);
		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(Sperryville);map.removeOverlays(Castleton);
map.removeOverlays(Flint_Hill);
map.removeOverlays(Sperryville);
map.addOverlays(Castleton);
centerByArray(Castleton, false, false);
cntMarker += Castleton.length;
map.addOverlays(Flint_Hill);
centerByArray(Flint_Hill, false, false);
cntMarker += Flint_Hill.length;
map.addOverlays(Sperryville);
centerByArray(Sperryville, false, false);
cntMarker += Sperryville.length;
centerByArray(Sperryville,true, false);
			if (cntMarker > 20) 
			 // New window depends on whether or not we're on the search page
			 if (location.href.indexOf('schools-by-distance') == -1)
				window.open(location.href + '/map/all');
			 else
				window.open('/search////all');
				//window.open('/map.php?type=1&schools=&school_level=1&radius=&zipcode=&school_type_search=&school_type_code=');
				}
}

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