function addMarkers(){
mySelect = document.getElementById('selection');
Nashville = [];Brentwood = [];Columbia = [];Chattanooga = [];mySelect.options[mySelect.options.length] = new Option("Brentwood schools",'all=Brentwood');
mySelect.options[mySelect.options.length] = new Option("Chattanooga schools",'all=Chattanooga');
mySelect.options[mySelect.options.length] = new Option("Columbia schools",'all=Columbia');
mySelect.options[mySelect.options.length] = new Option("Nashville schools",'all=Nashville');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Nashville[Nashville.length] = createMarker(new GPoint(-86.73629600,36.10991600),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Community High School",'Nashville=' + Nashville.length);
Brentwood[Brentwood.length] = createMarker(new GPoint(-86.85622900,36.02804200),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Currey Ingram Academy",'Brentwood=' + Brentwood.length);
Columbia[Columbia.length] = createMarker(new GPoint(-87.04037300,35.61297400),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("The Kings Daughters School",'Columbia=' + Columbia.length);
Chattanooga[Chattanooga.length] = createMarker(new GPoint(-85.31274000,35.04394100),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Siskin School",'Chattanooga=' + Chattanooga.length);
map.removeOverlays(Brentwood);
map.removeOverlays(Chattanooga);
map.removeOverlays(Columbia);
map.removeOverlays(Nashville);
setTimeout(function(){map.addOverlays(Brentwood)},1000);
setTimeout(function(){map.addOverlays(Chattanooga)},1000);
setTimeout(function(){map.addOverlays(Columbia)},1000);
setTimeout(function(){map.addOverlays(Nashville)},1000);
maxLng = -85.31274000;
maxLat = 36.10991600;
minLng = -87.04037300;
minLat = 35.04394100;
reCenterMap();
} // 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//////' + showArray);
map.removeOverlays(Brentwood);
map.removeOverlays(Chattanooga);
map.removeOverlays(Columbia);
map.removeOverlays(Nashville);
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(Nashville);map.removeOverlays(Brentwood);
map.removeOverlays(Chattanooga);
map.removeOverlays(Columbia);
map.removeOverlays(Nashville);
map.addOverlays(Brentwood);
centerByArray(Brentwood, false, false);
cntMarker += Brentwood.length;
map.addOverlays(Chattanooga);
centerByArray(Chattanooga, false, false);
cntMarker += Chattanooga.length;
map.addOverlays(Columbia);
centerByArray(Columbia, false, false);
cntMarker += Columbia.length;
map.addOverlays(Nashville);
centerByArray(Nashville, false, false);
cntMarker += Nashville.length;
centerByArray(Nashville,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///26380,26338,26004,26380,26279,26338,/all');
//window.open('/map.php?type=2&schools=26380,26338,26004,26380,26279,26338,&school_level=&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;
}