function addMarkers()
{
mySelect = document.getElementById('selection');
Carrollton = [];Greenfield = [];White_Hall = [];Roodhouse = [];mySelect.options[mySelect.options.length] = new Option("Carrollton schools",'all=Carrollton');
mySelect.options[mySelect.options.length] = new Option("Greenfield schools",'all=Greenfield');
mySelect.options[mySelect.options.length] = new Option("Roodhouse schools",'all=Roodhouse');
mySelect.options[mySelect.options.length] = new Option("White Hall schools",'all=White_Hall');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Carrollton[Carrollton.length] = createMarker(new GPoint(-90.40627289,39.29698944),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Carrollton Elementary School",'Carrollton=' + Carrollton.length);
Carrollton[Carrollton.length] = createMarker(new GPoint(-90.40382385,39.29393768),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carrollton High School",'Carrollton=' + Carrollton.length);
Greenfield[Greenfield.length] = createMarker(new GPoint(-90.21350861,39.35209274),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Greenfield Elementary School",'Greenfield=' + Greenfield.length);
Greenfield[Greenfield.length] = createMarker(new GPoint(-90.20902252,39.34334564),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Greenfield High School",'Greenfield=' + Greenfield.length);
White_Hall[White_Hall.length] = createMarker(new GPoint(-90.40284729,39.44248962),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("North Greene High School",'White_Hall=' + White_Hall.length);
Roodhouse[Roodhouse.length] = createMarker(new GPoint(-90.37370300,39.48623657),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("North Greene Junior High School",'Roodhouse=' + Roodhouse.length);
Roodhouse[Roodhouse.length] = createMarker(new GPoint(-90.37370300,39.48623657),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Roodhouse Elementary School",'Roodhouse=' + Roodhouse.length);
White_Hall[White_Hall.length] = createMarker(new GPoint(-90.40119171,39.43666458),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("White Hall Elementary School",'White_Hall=' + White_Hall.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(Carrollton);
map.removeOverlays(Greenfield);
map.removeOverlays(Roodhouse);
map.removeOverlays(White_Hall);
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(Carrollton);map.removeOverlays(Carrollton);
map.removeOverlays(Greenfield);
map.removeOverlays(Roodhouse);
map.removeOverlays(White_Hall);
map.addOverlays(Carrollton);
centerByArray(Carrollton, false, false);
cntMarker += Carrollton.length;
map.addOverlays(Greenfield);
centerByArray(Greenfield, false, false);
cntMarker += Greenfield.length;
map.addOverlays(Roodhouse);
centerByArray(Roodhouse, false, false);
cntMarker += Roodhouse.length;
map.addOverlays(White_Hall);
centerByArray(White_Hall, false, false);
cntMarker += White_Hall.length;
centerByArray(Carrollton,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');
}
}