function popup(url,l,t,w,h) 
{
       	msgWindow=window.open (url,"myPopup","left="+l+",top="+t+",width=" + w + ",height="+h+",resizeable=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes");
		if (!msgWindow.opener)  msgWindow.opener =this.window;


}
	
function popupWithLocation(url,l,t,w,h,location) 
{
	if (location!="yes" && location != "no"){ alert('wrong format location must be a yes or a no. \ne.g.  popupWithlocation\("http://www.someurl.com",10,10,700,500,"yes"\)' ); return false;} 
       	msgWindow=window.open (url,"myPopup","left="+l+",top="+t+",width=" + w + ",height="+h+",resizeable=yes,toolbar=no,location="+ location +",directories=no,status=no,menubar=no,scrollbars=yes");
		if (!msgWindow.opener)  msgWindow.opener =this.window;


}