function addMarkers()
{
mySelect = document.getElementById('selection');
Ashland_City = [];Kingston_Springs = [];Pegram = [];Pleasant_View = [];Chapmansboro = [];mySelect.options[mySelect.options.length] = new Option("Ashland City schools",'all=Ashland_City');
mySelect.options[mySelect.options.length] = new Option("Chapmansboro schools",'all=Chapmansboro');
mySelect.options[mySelect.options.length] = new Option("Kingston Springs schools",'all=Kingston_Springs');
mySelect.options[mySelect.options.length] = new Option("Pegram schools",'all=Pegram');
mySelect.options[mySelect.options.length] = new Option("Pleasant View schools",'all=Pleasant_View');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-87.06275940,36.27124786),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Ashland City Elementary School",'Ashland_City=' + Ashland_City.length);
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-87.06271362,36.27192307),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Ashland City Primary School",'Ashland_City=' + Ashland_City.length);
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-87.09193420,36.30534363),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cheatham Co High School",'Ashland_City=' + Ashland_City.length);
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-87.06269073,36.27225876),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cheatham County Adult High School",'Ashland_City=' + Ashland_City.length);
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-87.07841492,36.30542374),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Cheatham Middle School",'Ashland_City=' + Ashland_City.length);
Ashland_City[Ashland_City.length] = createMarker(new GPoint(-86.96057892,36.32408524),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("East Cheatham Elementary School",'Ashland_City=' + Ashland_City.length);
Kingston_Springs[Kingston_Springs.length] = createMarker(new GPoint(-87.09461212,36.09098053),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Harpeth High School",'Kingston_Springs=' + Kingston_Springs.length);
Kingston_Springs[Kingston_Springs.length] = createMarker(new GPoint(-87.09722900,36.09111786),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Harpeth Middle School",'Kingston_Springs=' + Kingston_Springs.length);
Kingston_Springs[Kingston_Springs.length] = createMarker(new GPoint(-87.10839081,36.08911896),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Kingston Springs Elementary School",'Kingston_Springs=' + Kingston_Springs.length);
Pegram[Pegram.length] = createMarker(new GPoint(-87.05439758,36.10430908),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Pegram Elementary School",'Pegram=' + Pegram.length);
Pleasant_View[Pleasant_View.length] = createMarker(new GPoint(-87.03569794,36.39701080),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Pleasant View Elementary School",'Pleasant_View=' + Pleasant_View.length);
Pleasant_View[Pleasant_View.length] = createMarker(new GPoint(-87.04771423,36.36851883),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Sycamore High School",'Pleasant_View=' + Pleasant_View.length);
Pleasant_View[Pleasant_View.length] = createMarker(new GPoint(-87.04822540,36.36897278),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Sycamore Middle School",'Pleasant_View=' + Pleasant_View.length);
Chapmansboro[Chapmansboro.length] = createMarker(new GPoint(-87.14710236,36.36009979),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("West Cheatham Elementary School",'Chapmansboro=' + Chapmansboro.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(Ashland_City);
map.removeOverlays(Chapmansboro);
map.removeOverlays(Kingston_Springs);
map.removeOverlays(Pegram);
map.removeOverlays(Pleasant_View);
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(Ashland_City);map.removeOverlays(Ashland_City);
map.removeOverlays(Chapmansboro);
map.removeOverlays(Kingston_Springs);
map.removeOverlays(Pegram);
map.removeOverlays(Pleasant_View);
map.addOverlays(Ashland_City);
centerByArray(Ashland_City, false, false);
cntMarker += Ashland_City.length;
map.addOverlays(Chapmansboro);
centerByArray(Chapmansboro, false, false);
cntMarker += Chapmansboro.length;
map.addOverlays(Kingston_Springs);
centerByArray(Kingston_Springs, false, false);
cntMarker += Kingston_Springs.length;
map.addOverlays(Pegram);
centerByArray(Pegram, false, false);
cntMarker += Pegram.length;
map.addOverlays(Pleasant_View);
centerByArray(Pleasant_View, false, false);
cntMarker += Pleasant_View.length;
centerByArray(Ashland_City,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');
}
}