function getURLVar(urlVarName) {
	//divide the URL in half at the '?'
	var urlHalves = String(document.location).split('?');
	var urlVarValue = '';
		if(urlHalves[1]){
		//load all the name/value pairs into an array
		var urlVars = urlHalves[1].split('&');
		//loop over the list, and find the specified url variable
		for(var i=0; i<=(urlVars.length); i++){
			if(urlVars[i]){
				//load the name/value pair into an array
				var urlVarPair = urlVars[i].split('=');
				if (urlVarPair[0] && urlVarPair[0] == urlVarName) {
					//I found a variable that matches, load it's value into the return variable
					urlVarValue = urlVarPair[1];
					}
				}
			}
		}
	return urlVarValue;   
}




function initialize() {
      if (GBrowserIsCompatible()) {
		if(getURLVar('locationID') == '1')
		{
		var first 	= 48.181459; 
		var second 	= 11.566864;  
		var text 	= "Uni Apart Studentenapartments<br />Schleißheimer Str. 330<br />München Milbertshofen";
		}
		if(getURLVar('locationID') == '2')
		{
		var first = 48.763736; 
		var second = 11.418368;
		var text 	= "Uni Apart Studentenapartments<br />Am Münster - Gerbergasse<br />Ingolstadt";
		}
		if(getURLVar('locationID') == '3')
		{
		var first = 48.768334; 
		var second = 11.400815;
		var text 	= "Uni Apart Studentenapartments<br />Neuburger Straße<br />Ingolstadt";
		}
        //division von unten nehmen
		var map = new GMap2(document.getElementById("map_canvas"));
		//zentrieren
		map.setCenter(new GLatLng(first,second), 16);
		//haeusle setzen
		var houseIcon = new GIcon(G_DEFAULT_ICON);
        //haeusle festlegen
		houseIcon.image = "http://www.uniapart.de/getimage.php?399.gif";
		markerOptions = { icon:houseIcon };
		//marker festlegen
		var latlng = new GLatLng(first, second);
        //marker setzen
		map.addOverlay(new GMarker(latlng, markerOptions));
		//infokasten einfuegen
		map.openInfoWindowHtml(map.getCenter(), text);
		map.addControl(new GSmallMapControl());
	}
    }