var new_window;

function popup_window(url, name, height, width){
	var new_window = window.open(url,name,"left=15,top=15,scrollbars=auto,toolbar=no,directories=no,location=no,menubar=no,resizable=no,width="+eval(width+12)+",height="+eval(height+12))
	new_window.resizeTo(width+12,height+12);
	new_window.focus();
}