function addMarkers()
{
mySelect = document.getElementById('selection');
New_Tazewell = [];Tazewell = [];Clairfield = [];Cumberland = [];Harrogate = [];Speedwell = [];mySelect.options[mySelect.options.length] = new Option("Clairfield schools",'all=Clairfield');
mySelect.options[mySelect.options.length] = new Option("Cumberland schools",'all=Cumberland');
mySelect.options[mySelect.options.length] = new Option("Harrogate schools",'all=Harrogate');
mySelect.options[mySelect.options.length] = new Option("New Tazewell schools",'all=New_Tazewell');
mySelect.options[mySelect.options.length] = new Option("Speedwell schools",'all=Speedwell');
mySelect.options[mySelect.options.length] = new Option("Tazewell schools",'all=Tazewell');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
New_Tazewell[New_Tazewell.length] = createMarker(new GPoint(-83.65699768,36.41799927),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Alpha School",'New_Tazewell=' + New_Tazewell.length);
Tazewell[Tazewell.length] = createMarker(new GPoint(-83.56838226,36.45553970),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Claiborne Adult High School",'Tazewell=' + Tazewell.length);
Tazewell[Tazewell.length] = createMarker(new GPoint(-83.58124542,36.44919586),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Claiborne County High School",'Tazewell=' + Tazewell.length);
New_Tazewell[New_Tazewell.length] = createMarker(new GPoint(-83.65699768,36.41799927),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Claiborne County High School",'New_Tazewell=' + New_Tazewell.length);
Clairfield[Clairfield.length] = createMarker(new GPoint(-83.93170166,36.55970001),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Clairfield Elementary School",'Clairfield=' + Clairfield.length);
Cumberland[Cumberland.length] = createMarker(new GPoint(-83.68119812,36.55519867),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cumberland Gap High School",'Cumberland=' + Cumberland.length);
Harrogate[Harrogate.length] = createMarker(new GPoint(-83.65522766,36.58663559),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Ellen Myers Elementary School",'Harrogate=' + Harrogate.length);
Harrogate[Harrogate.length] = createMarker(new GPoint(-83.57918549,36.57423782),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Forge Ridge School",'Harrogate=' + Harrogate.length);
Harrogate[Harrogate.length] = createMarker(new GPoint(-83.61160278,36.57410049),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("H Y Livesay Middle School",'Harrogate=' + Harrogate.length);
New_Tazewell[New_Tazewell.length] = createMarker(new GPoint(-83.68495941,36.44158554),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Midway Elementary School",'New_Tazewell=' + New_Tazewell.length);
Speedwell[Speedwell.length] = createMarker(new GPoint(-83.79126740,36.50424576),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Powell Valley High School",'Speedwell=' + Speedwell.length);
Tazewell[Tazewell.length] = createMarker(new GPoint(-83.58027649,36.45274353),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Solders Memorial Middle School",'Tazewell=' + Tazewell.length);
Tazewell[Tazewell.length] = createMarker(new GPoint(-83.56967926,36.45394135),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Springdale Elementary School",'Tazewell=' + Tazewell.length);
New_Tazewell[New_Tazewell.length] = createMarker(new GPoint(-83.58352661,36.44150925),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Tazewell New Tazewell Elementary School",'New_Tazewell=' + New_Tazewell.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(Clairfield);
map.removeOverlays(Cumberland);
map.removeOverlays(Harrogate);
map.removeOverlays(New_Tazewell);
map.removeOverlays(Speedwell);
map.removeOverlays(Tazewell);
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(New_Tazewell);map.removeOverlays(Clairfield);
map.removeOverlays(Cumberland);
map.removeOverlays(Harrogate);
map.removeOverlays(New_Tazewell);
map.removeOverlays(Speedwell);
map.removeOverlays(Tazewell);
map.addOverlays(Clairfield);
centerByArray(Clairfield, false, false);
cntMarker += Clairfield.length;
map.addOverlays(Cumberland);
centerByArray(Cumberland, false, false);
cntMarker += Cumberland.length;
map.addOverlays(Harrogate);
centerByArray(Harrogate, false, false);
cntMarker += Harrogate.length;
map.addOverlays(New_Tazewell);
centerByArray(New_Tazewell, false, false);
cntMarker += New_Tazewell.length;
map.addOverlays(Speedwell);
centerByArray(Speedwell, false, false);
cntMarker += Speedwell.length;
map.addOverlays(Tazewell);
centerByArray(Tazewell, false, false);
cntMarker += Tazewell.length;
centerByArray(New_Tazewell,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');
}
}