function initialize() {
	var myLatlng = new google.maps.LatLng(48.2908, 11.88608);
	var centerLatlng = new google.maps.LatLng(48.2950, 11.8870);
    var myOptions = {
      zoom: 15,
      center: centerLatlng,
      mapTypeId: google.maps.MapTypeId.HYBRID
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
    
    var marker = new google.maps.Marker({
        position: myLatlng, 
        map: map, 
        title:"Therme Erding"
    });
    
    var contentString = '<div id="info-content">'
    					+'<h4>Route:</h4>'
    					+'<form id="dir-form" action="http://maps.google.de/maps" method="get" target="_blank" onsubmit="return setDirections();" >'
    					+'<input type="hidden" id="therme-location" name="" value="Thermenallee 1, Erding" />'
    					+'<input style="vertical-align:middle;" type="radio" id="dir-from" name="dir" value="from" checked="checked" />'
    					+'<label for="dir-from"> Von</label> '
    					+'<input style="vertical-align:middle;" type="radio" id="dir-to" name="dir" value="to" />'
    					+'<label for="dir-to"> Nach</label><br/><br/>'
    					+'<input type="text" name="" id="user-entered-addr" /><br/><br/>'
    					+'<input type="submit" value="Route berechnen" />'
    					+'</form></div>';
    
    var infowindow = new google.maps.InfoWindow({
        content: contentString
    });
    
    infowindow.open(map,marker);
}

function setDirections() {
	
	if($('#dir-form input:checked').val() == 'from') {
		$('#user-entered-addr').attr('name', 'saddr');
		$('#therme-location').attr('name', 'daddr');
	}
	else {
		$('#user-entered-addr').attr('name', 'daddr');
		$('#therme-location').attr('name', 'saddr');
	}
	alert($('#dir-form input:checked').value());
	return false;
}