// JavaScript Document
	var myWindow = null;
	function layer(screen) {
	    myWindow = window.open(screen, 'layer', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,copyhistory=0,width=770, height=650, left=300,top=20');
	    myWindow.focus();
	}