function PopWindow(URL,width,height,resizable)
	{
	var undefined
	if (width==undefined || width=="") width="700";
	if (height==undefined || height=="") height="500";
	if (resizable==undefined || resizable=="") resizable="no";
	attributes = "width=" + width + ",height=" + height + ",scrollbars=yes, resizable=" + resizable;
	window.open(URL,'myReader',attributes);
	}