function addMarkers()
{
mySelect = document.getElementById('selection');
Newport = [];Cosby = [];Del_Rio = [];Hartford = [];Parrottsville = [];mySelect.options[mySelect.options.length] = new Option("Cosby schools",'all=Cosby');
mySelect.options[mySelect.options.length] = new Option("Del Rio schools",'all=Del_Rio');
mySelect.options[mySelect.options.length] = new Option("Hartford schools",'all=Hartford');
mySelect.options[mySelect.options.length] = new Option("Newport schools",'all=Newport');
mySelect.options[mySelect.options.length] = new Option("Parrottsville schools",'all=Parrottsville');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Newport[Newport.length] = createMarker(new GPoint(-83.18627930,35.96677017),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Bridgeport Elementary School",'Newport=' + Newport.length);
Newport[Newport.length] = createMarker(new GPoint(-83.17850494,36.07450867),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Centerview Elementary School",'Newport=' + Newport.length);
Newport[Newport.length] = createMarker(new GPoint(-83.19781494,35.96430206),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cocke County Adult High School",'Newport=' + Newport.length);
Newport[Newport.length] = createMarker(new GPoint(-83.19692230,35.96443558),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cocke County High School",'Newport=' + Newport.length);
Cosby[Cosby.length] = createMarker(new GPoint(-83.22490692,35.84199905),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Cosby Elementary School",'Cosby=' + Cosby.length);
Cosby[Cosby.length] = createMarker(new GPoint(-83.22475433,35.84205246),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cosby High School",'Cosby=' + Cosby.length);
Del_Rio[Del_Rio.length] = createMarker(new GPoint(-83.01595306,35.90230179),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Del Rio Elementary School",'Del_Rio=' + Del_Rio.length);
Newport[Newport.length] = createMarker(new GPoint(-83.25585175,35.95946503),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Edgemont Elementary School",'Newport=' + Newport.length);
Hartford[Hartford.length] = createMarker(new GPoint(-83.09632111,35.84306335),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Grassy Fork Elementary School",'Hartford=' + Hartford.length);
Newport[Newport.length] = createMarker(new GPoint(-83.18652344,35.96400070),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Newport Grammar Elementary School",'Newport=' + Newport.length);
Newport[Newport.length] = createMarker(new GPoint(-83.17758942,35.98860931),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Northwest Elementary School",'Newport=' + Newport.length);
Parrottsville[Parrottsville.length] = createMarker(new GPoint(-83.10129547,36.00854111),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Parrottsville Elementary School",'Parrottsville=' + Parrottsville.length);
Cosby[Cosby.length] = createMarker(new GPoint(-83.23319244,35.79091263),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Smoky Mountain Elementary School",'Cosby=' + Cosby.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(Cosby);
map.removeOverlays(Del_Rio);
map.removeOverlays(Hartford);
map.removeOverlays(Newport);
map.removeOverlays(Parrottsville);
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(Newport);map.removeOverlays(Cosby);
map.removeOverlays(Del_Rio);
map.removeOverlays(Hartford);
map.removeOverlays(Newport);
map.removeOverlays(Parrottsville);
map.addOverlays(Cosby);
centerByArray(Cosby, false, false);
cntMarker += Cosby.length;
map.addOverlays(Del_Rio);
centerByArray(Del_Rio, false, false);
cntMarker += Del_Rio.length;
map.addOverlays(Hartford);
centerByArray(Hartford, false, false);
cntMarker += Hartford.length;
map.addOverlays(Newport);
centerByArray(Newport, false, false);
cntMarker += Newport.length;
map.addOverlays(Parrottsville);
centerByArray(Parrottsville, false, false);
cntMarker += Parrottsville.length;
centerByArray(Newport,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');
}
}