function addMarkers()
{
mySelect = document.getElementById('selection');
Roanoke = [];Bent_Mountain = [];Salem = [];Vinton = [];mySelect.options[mySelect.options.length] = new Option("Bent Mountain schools",'all=Bent_Mountain');
mySelect.options[mySelect.options.length] = new Option("Roanoke schools",'all=Roanoke');
mySelect.options[mySelect.options.length] = new Option("Salem schools",'all=Salem');
mySelect.options[mySelect.options.length] = new Option("Vinton schools",'all=Vinton');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.07444000,37.19932938),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Back Creek Elementary School",'Roanoke=' + Roanoke.length);
Bent_Mountain[Bent_Mountain.length] = createMarker(new GPoint(-80.12297058,37.15612030),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Bent Mountain Elementary School",'Bent_Mountain=' + Bent_Mountain.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.88031006,37.32904434),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Bonsack Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.96179199,37.34452438),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Burlington Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.01470184,37.21504211),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Cave Spring Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.00139618,37.21384430),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cave Spring High School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.01887512,37.21511841),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Cave Spring Middle School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.95156097,37.20410538),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Clearbrook Elementary School",'Roanoke=' + Roanoke.length);
Salem[Salem.length] = createMarker(new GPoint(-80.11373138,37.28111267),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Fort Lewis Elementary School",'Salem=' + Salem.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.02169037,37.32065582),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Glen Cove Elementary School",'Roanoke=' + Roanoke.length);
Salem[Salem.length] = createMarker(new GPoint(-80.13626099,37.27885818),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Glenvar Elementary School",'Salem=' + Salem.length);
Salem[Salem.length] = createMarker(new GPoint(-80.13742065,37.27923203),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Glenvar High School",'Salem=' + Salem.length);
Salem[Salem.length] = createMarker(new GPoint(-80.13763428,37.27923965),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Glenvar Middle School",'Salem=' + Salem.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.99119568,37.23212051),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Green Valley Elementary School",'Roanoke=' + Roanoke.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.88333130,37.28260040),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Herman L. Horn Elementary School",'Vinton=' + Vinton.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.02008820,37.22347260),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Hidden Valley High School",'Roanoke=' + Roanoke.length);
Salem[Salem.length] = createMarker(new GPoint(-80.05998230,37.36631012),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Masons Cove Elementary School",'Salem=' + Salem.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.93764496,37.33446884),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Mountain View Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.90695953,37.23652267),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Mt. Pleasant Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.99768066,37.32817459),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Northside High School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.99868774,37.32901764),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Northside Middle School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.03285980,37.24679565),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Oak Grove Elementary School",'Roanoke=' + Roanoke.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-80.00030518,37.20390320),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Penn Forest Elementary School",'Roanoke=' + Roanoke.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.89569855,37.27802658),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("R.e. Cook Regional Alternative",'Vinton=' + Vinton.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.92559100,37.23774000),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Reg Alternative Plus Self Project/roanoke City",'Roanoke=' + Roanoke.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.89942169,37.28217316),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Roanoke County Career Alt Ed Center",'Vinton=' + Vinton.length);
Roanoke[Roanoke.length] = createMarker(new GPoint(-79.97202301,37.22470093),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Roanoke Valley Regional Board",'Roanoke=' + Roanoke.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.88002777,37.27343750),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("W. E. Cundiff Elementary School",'Vinton=' + Vinton.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.85778809,37.28282166),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("William Byrd High School",'Vinton=' + Vinton.length);
Vinton[Vinton.length] = createMarker(new GPoint(-79.85757446,37.28292465),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("William Byrd Middle School",'Vinton=' + Vinton.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(Bent_Mountain);
map.removeOverlays(Roanoke);
map.removeOverlays(Salem);
map.removeOverlays(Vinton);
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(Roanoke);map.removeOverlays(Bent_Mountain);
map.removeOverlays(Roanoke);
map.removeOverlays(Salem);
map.removeOverlays(Vinton);
map.addOverlays(Bent_Mountain);
centerByArray(Bent_Mountain, false, false);
cntMarker += Bent_Mountain.length;
map.addOverlays(Roanoke);
centerByArray(Roanoke, false, false);
cntMarker += Roanoke.length;
map.addOverlays(Salem);
centerByArray(Salem, false, false);
cntMarker += Salem.length;
map.addOverlays(Vinton);
centerByArray(Vinton, false, false);
cntMarker += Vinton.length;
centerByArray(Roanoke,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');
}
}