function popIt(URL, width, height){
	var pop = null;
	var specs = null;
	LeftPosition = (screen.width) ? (screen.width-width)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-(height))/2 : 0;
	if (LeftPosition < 0) {	LeftPosition = 0;}
	if (TopPosition < 0) {	TopPosition = 0;}
	specs = "left="+LeftPosition+",top="+TopPosition+",width="+width+",height="+height+",location=no,scrollbars=no,menubars=no,toolbars=no,resizable=yes,fullscreen=no";
	pop = window.open(URL,"track",specs)
	pop.focus();
	return false;
}