function addMarkers()
{
mySelect = document.getElementById('selection');
Highland_Springs = [];Glen_Allen = [];Sandston = [];mySelect.options[mySelect.options.length] = new Option("Glen Allen schools",'all=Glen_Allen');
mySelect.options[mySelect.options.length] = new Option("Highland Springs schools",'all=Highland_Springs');
mySelect.options[mySelect.options.length] = new Option("Sandston schools",'all=Sandston');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Highland_Springs[Highland_Springs.length] = createMarker(new GPoint(-77.32632446,37.54450226),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Adult Education Center",'Highland_Springs=' + Highland_Springs.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.60392761,37.67343521),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Deep Run High School",'Glen_Allen=' + Glen_Allen.length);
Sandston[Sandston.length] = createMarker(new GPoint(-77.29250336,37.53880310),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Donahoe Elementary School",'Sandston=' + Sandston.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.54302979,37.66696548),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Echo Lake Elementary School",'Glen_Allen=' + Glen_Allen.length);
Highland_Springs[Highland_Springs.length] = createMarker(new GPoint(-77.31997681,37.53480148),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Fair Oaks Elementary School",'Highland_Springs=' + Highland_Springs.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.52517700,37.67680740),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Glen Allen Elementary School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.48695200,37.67165600),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Greenwood Elementary School",'Glen_Allen=' + Glen_Allen.length);
Highland_Springs[Highland_Springs.length] = createMarker(new GPoint(-77.34044647,37.54195786),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Highland Springs Elementary School",'Highland_Springs=' + Highland_Springs.length);
Highland_Springs[Highland_Springs.length] = createMarker(new GPoint(-77.32441711,37.54070663),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Highland Springs High School",'Highland_Springs=' + Highland_Springs.length);
Highland_Springs[Highland_Springs.length] = createMarker(new GPoint(-77.32103729,37.53915787),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Highland Springs Tech Center",'Highland_Springs=' + Highland_Springs.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.54504500,37.65902100),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Hungary Creek Middle School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.46569061,37.65501785),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Longdale Elementary School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.48301697,37.66167450),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("New Start - Basic Alt School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.57920100,37.68614100),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Rivers Edge Elementary School",'Glen_Allen=' + Glen_Allen.length);
Sandston[Sandston.length] = createMarker(new GPoint(-77.31224060,37.52416611),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Sandston Elementary School",'Sandston=' + Sandston.length);
Sandston[Sandston.length] = createMarker(new GPoint(-77.30348969,37.51655960),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Seven Pines Elementary School",'Sandston=' + Sandston.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.61359406,37.69358063),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Shady Grove Elementary School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.61363983,37.66626740),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Short Pump Middle School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.56707764,37.65661240),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Springfield Park Elementary School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.59780121,37.67171097),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Twin Hickory Elementary School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.48274231,37.66151810),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Va. Randolph Comm. High School",'Glen_Allen=' + Glen_Allen.length);
Glen_Allen[Glen_Allen.length] = createMarker(new GPoint(-77.48301697,37.66167450),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Va. Randolph Ed. Ctr.",'Glen_Allen=' + Glen_Allen.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,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////' + showArray);
map.removeOverlays(Glen_Allen);
map.removeOverlays(Highland_Springs);
map.removeOverlays(Sandston);
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(Highland_Springs);map.removeOverlays(Glen_Allen);
map.removeOverlays(Highland_Springs);
map.removeOverlays(Sandston);
map.addOverlays(Glen_Allen);
centerByArray(Glen_Allen, false, false);
cntMarker += Glen_Allen.length;
map.addOverlays(Highland_Springs);
centerByArray(Highland_Springs, false, false);
cntMarker += Highland_Springs.length;
map.addOverlays(Sandston);
centerByArray(Sandston, false, false);
cntMarker += Sandston.length;
centerByArray(Highland_Springs,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');
}
}