function addMarkers()
{
mySelect = document.getElementById('selection');
Clinchco = [];Clintwood = [];Nora = [];Haysi = [];Birchleaf = [];mySelect.options[mySelect.options.length] = new Option("Birchleaf schools",'all=Birchleaf');
mySelect.options[mySelect.options.length] = new Option("Clinchco schools",'all=Clinchco');
mySelect.options[mySelect.options.length] = new Option("Clintwood schools",'all=Clintwood');
mySelect.options[mySelect.options.length] = new Option("Haysi schools",'all=Haysi');
mySelect.options[mySelect.options.length] = new Option("Nora schools",'all=Nora');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Clinchco[Clinchco.length] = createMarker(new GPoint(-82.35579681,37.14569855),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Clinchco Elementary School",'Clinchco=' + Clinchco.length);
Clintwood[Clintwood.length] = createMarker(new GPoint(-82.45819855,37.15499878),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Clintwood Elementary School",'Clintwood=' + Clintwood.length);
Clintwood[Clintwood.length] = createMarker(new GPoint(-82.45819855,37.15499878),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Clintwood High School",'Clintwood=' + Clintwood.length);
Clinchco[Clinchco.length] = createMarker(new GPoint(-82.35980988,37.16114044),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Dickenson County Career Center",'Clinchco=' + Clinchco.length);
Nora[Nora.length] = createMarker(new GPoint(-82.33249664,37.00979996),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Ervinton Elementary School",'Nora=' + Nora.length);
Nora[Nora.length] = createMarker(new GPoint(-82.33249664,37.00979996),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Ervinton High School",'Nora=' + Nora.length);
Haysi[Haysi.length] = createMarker(new GPoint(-82.29630280,37.22290039),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Haysi High School",'Haysi=' + Haysi.length);
Clintwood[Clintwood.length] = createMarker(new GPoint(-82.45819855,37.15499878),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Longs Fork Elementary School",'Clintwood=' + Clintwood.length);
Birchleaf[Birchleaf.length] = createMarker(new GPoint(-82.25679779,37.16389847),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Sandlick Elementary School",'Birchleaf=' + Birchleaf.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(Birchleaf);
map.removeOverlays(Clinchco);
map.removeOverlays(Clintwood);
map.removeOverlays(Haysi);
map.removeOverlays(Nora);
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(Clinchco);map.removeOverlays(Birchleaf);
map.removeOverlays(Clinchco);
map.removeOverlays(Clintwood);
map.removeOverlays(Haysi);
map.removeOverlays(Nora);
map.addOverlays(Birchleaf);
centerByArray(Birchleaf, false, false);
cntMarker += Birchleaf.length;
map.addOverlays(Clinchco);
centerByArray(Clinchco, false, false);
cntMarker += Clinchco.length;
map.addOverlays(Clintwood);
centerByArray(Clintwood, false, false);
cntMarker += Clintwood.length;
map.addOverlays(Haysi);
centerByArray(Haysi, false, false);
cntMarker += Haysi.length;
map.addOverlays(Nora);
centerByArray(Nora, false, false);
cntMarker += Nora.length;
centerByArray(Clinchco,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');
}
}