function addMarkers()
{
mySelect = document.getElementById('selection');
Hillsville = [];Fancy_Gap = [];Galax = [];Cana = [];Woodlawn = [];mySelect.options[mySelect.options.length] = new Option("Cana schools",'all=Cana');
mySelect.options[mySelect.options.length] = new Option("Fancy Gap schools",'all=Fancy_Gap');
mySelect.options[mySelect.options.length] = new Option("Galax schools",'all=Galax');
mySelect.options[mySelect.options.length] = new Option("Hillsville schools",'all=Hillsville');
mySelect.options[mySelect.options.length] = new Option("Woodlawn schools",'all=Woodlawn');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.73516000,36.75755300),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carroll County Ed Center",'Hillsville=' + Hillsville.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.71630096,36.79230118),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carroll County High School",'Hillsville=' + Hillsville.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.73828200,36.76864700),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carroll County Int.",'Hillsville=' + Hillsville.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-10.00000000,10.00000000),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carroll/galax/joy Ranch Reg Alternative Ed",'Hillsville=' + Hillsville.length);
Fancy_Gap[Fancy_Gap.length] = createMarker(new GPoint(-80.70282745,36.69762039),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Fancy Gap Elementary School",'Fancy_Gap=' + Fancy_Gap.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.61048889,36.68732834),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Gladesboro Elementary School",'Hillsville=' + Hillsville.length);
Galax[Galax.length] = createMarker(new GPoint(-80.87628174,36.69926071),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Gladeville Elementary School",'Galax=' + Galax.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.73670959,36.75740814),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Hillsville Elementary School",'Hillsville=' + Hillsville.length);
Galax[Galax.length] = createMarker(new GPoint(-80.83705139,36.64271927),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Oakland Elementary School",'Galax=' + Galax.length);
Cana[Cana.length] = createMarker(new GPoint(-80.68922424,36.61650467),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Saint Paul School",'Cana=' + Cana.length);
Hillsville[Hillsville.length] = createMarker(new GPoint(-80.73365000,36.75784100),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Southwestern Va Tr Ctr Ep",'Hillsville=' + Hillsville.length);
Woodlawn[Woodlawn.length] = createMarker(new GPoint(-80.81921387,36.72753525),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Woodlawn School",'Woodlawn=' + Woodlawn.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(Cana);
map.removeOverlays(Fancy_Gap);
map.removeOverlays(Galax);
map.removeOverlays(Hillsville);
map.removeOverlays(Woodlawn);
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(Hillsville);map.removeOverlays(Cana);
map.removeOverlays(Fancy_Gap);
map.removeOverlays(Galax);
map.removeOverlays(Hillsville);
map.removeOverlays(Woodlawn);
map.addOverlays(Cana);
centerByArray(Cana, false, false);
cntMarker += Cana.length;
map.addOverlays(Fancy_Gap);
centerByArray(Fancy_Gap, false, false);
cntMarker += Fancy_Gap.length;
map.addOverlays(Galax);
centerByArray(Galax, false, false);
cntMarker += Galax.length;
map.addOverlays(Hillsville);
centerByArray(Hillsville, false, false);
cntMarker += Hillsville.length;
map.addOverlays(Woodlawn);
centerByArray(Woodlawn, false, false);
cntMarker += Woodlawn.length;
centerByArray(Hillsville,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');
}
}