function openWindow(url, w, h, mode) {
 	
	d=document;
	l=(d.layers)?1:0;
	if (l) {
		x = window.innerWidth;
		y = window.innerHeight;
	} else {
		x = document.body.offsetWidth;
		y = document.body.offsetHeight;
	}
	if (mode == 1) {
		x = x/2 - w/2;
		y = y/2 - h/2;
	}
	else {
		x = x/2 - mode;
		y = 80;
	}
	var mypopup = window.open(url, 'pbatch', 'toolbar=no,width='+w+',height='+h+',resizable=1,scrollbars=1,left='+ x 
	+',top='+y+',screenX='+ x +',screenY='+y);
	mypopup.opener = self;
}