function Popup(name, href, content, w, h)
{
	var l = (screen.width - w) / 2;
	var t = (screen.height - h) / 2;	
	if(l < 0) l = 0;
	if(t < 0) t = 0;
	
	win = window.open(href, name, 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width=' + w + ', height=' + h + ', top=' + t + ', left=' + l);
	
	if(content != '')
	{
		win.document.open();
		win.document.write(content);
		win.document.close();
	}
	
	win.focus();

	return false;
}