function addMarkers()
{
mySelect = document.getElementById('selection');
Elizabethton = [];Johnson_City = [];Roan_Mountain = [];Hampton = [];Butler = [];Watauga = [];mySelect.options[mySelect.options.length] = new Option("Butler schools",'all=Butler');
mySelect.options[mySelect.options.length] = new Option("Elizabethton schools",'all=Elizabethton');
mySelect.options[mySelect.options.length] = new Option("Hampton schools",'all=Hampton');
mySelect.options[mySelect.options.length] = new Option("Johnson City schools",'all=Johnson_City');
mySelect.options[mySelect.options.length] = new Option("Roan Mountain schools",'all=Roan_Mountain');
mySelect.options[mySelect.options.length] = new Option("Watauga schools",'all=Watauga');
mySelect.options[mySelect.options.length] = new Option("---------------------------",'');
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.21211243,36.34461212),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Carter County Adult High School",'Elizabethton=' + Elizabethton.length);
Johnson_City[Johnson_City.length] = createMarker(new GPoint(-82.27793884,36.32755280),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Central Elementary School",'Johnson_City=' + Johnson_City.length);
Roan_Mountain[Roan_Mountain.length] = createMarker(new GPoint(-82.05248260,36.19259644),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Cloudland Elementary School",'Roan_Mountain=' + Roan_Mountain.length);
Roan_Mountain[Roan_Mountain.length] = createMarker(new GPoint(-82.06604004,36.19417191),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Cloudland High School",'Roan_Mountain=' + Roan_Mountain.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.24367100,36.34638700),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Early Learning Center",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.20077515,36.33877945),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("East Side Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.23516083,36.34655762),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Elizabethton High School",'Elizabethton=' + Elizabethton.length);
Hampton[Hampton.length] = createMarker(new GPoint(-82.16479492,36.28556061),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Hampton Elementary School",'Hampton=' + Hampton.length);
Hampton[Hampton.length] = createMarker(new GPoint(-82.17324066,36.27379990),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Hampton High School",'Hampton=' + Hampton.length);
Johnson_City[Johnson_City.length] = createMarker(new GPoint(-82.28426361,36.31679916),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Happy Valley Elementary School",'Johnson_City=' + Johnson_City.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.27930450,36.31500626),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Happy Valley High School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.27860260,36.31546021),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("Happy Valley Middle School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.21626282,36.34489059),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Harold Mccormick Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.15859222,36.37199020),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Hunter Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.21887207,36.37700653),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Keenburg Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.16311646,36.31939697),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Lift Academy Alternative",'Elizabethton=' + Elizabethton.length);
Butler[Butler.length] = createMarker(new GPoint(-82.02142334,36.31416321),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Little Milligan Elementary School",'Butler=' + Butler.length);
Watauga[Watauga.length] = createMarker(new GPoint(-82.26089478,36.36856461),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Range Elementary School",'Watauga=' + Watauga.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.22737885,36.34728622),"",iconBl);
mySelect.options[mySelect.options.length] = new Option("T A Dugger Junior High School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.09179687,36.40150070),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Unaka Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.14369965,36.38421249),"",iconGr);
mySelect.options[mySelect.options.length] = new Option("Unaka High School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.19391632,36.30838013),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("Valley Forge Elementary School",'Elizabethton=' + Elizabethton.length);
Elizabethton[Elizabethton.length] = createMarker(new GPoint(-82.24566650,36.34324646),"",iconRd);
mySelect.options[mySelect.options.length] = new Option("West Side Elementary School",'Elizabethton=' + Elizabethton.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(Butler);
map.removeOverlays(Elizabethton);
map.removeOverlays(Hampton);
map.removeOverlays(Johnson_City);
map.removeOverlays(Roan_Mountain);
map.removeOverlays(Watauga);
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(Elizabethton);map.removeOverlays(Butler);
map.removeOverlays(Elizabethton);
map.removeOverlays(Hampton);
map.removeOverlays(Johnson_City);
map.removeOverlays(Roan_Mountain);
map.removeOverlays(Watauga);
map.addOverlays(Butler);
centerByArray(Butler, false, false);
cntMarker += Butler.length;
map.addOverlays(Elizabethton);
centerByArray(Elizabethton, false, false);
cntMarker += Elizabethton.length;
map.addOverlays(Hampton);
centerByArray(Hampton, false, false);
cntMarker += Hampton.length;
map.addOverlays(Johnson_City);
centerByArray(Johnson_City, false, false);
cntMarker += Johnson_City.length;
map.addOverlays(Roan_Mountain);
centerByArray(Roan_Mountain, false, false);
cntMarker += Roan_Mountain.length;
map.addOverlays(Watauga);
centerByArray(Watauga, false, false);
cntMarker += Watauga.length;
centerByArray(Elizabethton,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');
}
}