function showGMap(lat, lng, zl) {
	var mapPopup = window.open('modules/gmap.html?lat='+lat+'&lng='+lng+'&zl='+zl, 'mapPopup', 'toolbar=no,location=no,height=500,width=500,scrollbars=no,resizeable=no,directories=no,menubar=no');
	var x = screen.width/2-250;
	var y = screen.height/2-250;
	mapPopup.moveTo(x, y);
	mapPopup.resizeTo(500, 500);
}