function addMarkers(){
mySelect = document.getElementById('selection');
South_Hadley = [];Northampton = [];Williamsburg = [];mySelect.options[mySelect.options.length] = new Option("Northampton Schools",'all=Northampton');
mySelect.options[mySelect.options.length] = new Option("South Hadley Schools",'all=South_Hadley');
mySelect.options[mySelect.options.length] = new Option("Williamsburg Schools",'all=Williamsburg');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
South_Hadley[South_Hadley.length] = createMarker(new GLatLng(42.25625140,-72.57645350),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Mount Holyoke College",'South_Hadley=' + South_Hadley.length);
South_Hadley[South_Hadley.length] = createMarker(new GLatLng(42.25672500,-72.57451100),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Mount Holyoke College",'South_Hadley=' + South_Hadley.length);
Northampton[Northampton.length] = createMarker(new GLatLng(42.31783200,-72.63879900),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Smith College",'Northampton=' + Northampton.length);
Williamsburg[Williamsburg.length] = createMarker(new GLatLng(42.40752300,-72.76121800),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Snow Farm: New England Craft Program",'Williamsburg=' + Williamsburg.length);
map.removeOverlays(Northampton);
map.removeOverlays(South_Hadley);
map.removeOverlays(Williamsburg);
setTimeout(function(){map.addOverlays(Northampton)},1000);
setTimeout(function(){map.addOverlays(South_Hadley)},1000);
setTimeout(function(){map.addOverlays(Williamsburg)},1000);
maxLng = -72.57451100;
maxLat = 42.40752300;
minLng = -72.76121800;
minLat = 42.25625140;
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(Northampton);
map.removeOverlays(South_Hadley);
map.removeOverlays(Williamsburg);
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(South_Hadley);map.removeOverlays(Northampton);
map.removeOverlays(South_Hadley);
map.removeOverlays(Williamsburg);
map.addOverlays(Northampton);
centerByArray(Northampton, false, false);
cntMarker += Northampton.length;
map.addOverlays(South_Hadley);
centerByArray(South_Hadley, false, false);
cntMarker += South_Hadley.length;
map.addOverlays(Williamsburg);
centerByArray(Williamsburg, false, false);
cntMarker += Williamsburg.length;
centerByArray(South_Hadley,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;
}