function popWin(x, y) {
	w	= screen.width;
	h	= screen.height;
	sx	= w/2-240;
	sy	= h/2-175;
	window.open(x,'','status=yes,resizable=no,scrollbars=yes,toolbar=no,location=no,directories=no,menubar=no,width=500,height=350,top='+sy+',left='+sx+',screenX='+sx+',screenY='+sy);
}