// JavaScript Document

function popup(url, name, W, H)
{
	var top = (screen.height-H)/2;
	var left = (screen.width-W)/2;
	var params = 'width='+ W +',height='+ H +',toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no';
	win = window.open(url, name, "top="+top+",left="+left+","+params);
}