var popUp;

function popupWindow(h, w, resize, scroll, url, popUpName)
{
	var height = h;
	var top = new Number((screen.availHeight/2)-(height/2));	
	var width = w;
	var left = new Number((screen.availWidth/2)-(width/2));	

	try {
		popUp = window.open(url,popUpName,"height="+height+",width="+width+",status=no,resizable="+resize+",scrollbars="+scroll+",top="+top+",left="+left);
		popUp.focus();
	}
	catch(err) {
		popUp = 0;
	}
}