// open map window
function openMapWin(lat,lon) {
	var map_url = "../../system/components/mapwin.php?lat=" + lat + "&lon=" + lon;
	window.open(map_url,'_blank','width=800,height=600,left=0,top=0,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,location=no'); 
}