var newWin = null;

function popUp(wName, strURL, strType, strHeight, strWidth, fromTop, fromLeft)
{
	strHeight = strHeight > (screen.height - 150) ? (screen.height - 150) : strHeight;
	strWidth = strWidth > (screen.width - 100) ? (screen.width - 100) : strWidth;
	fromTop = fromTop > 0 ? fromTop : 50;
	fromLeft = fromLeft > 0 ? fromLeft : 50;

	 if (newWin != null && !newWin.closed) 
	   newWin.close(); 
	 var strOptions=""; 
	 if (strType=="console") 
	   strOptions="scrollbars,resizable,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth+",top="+fromTop+",left="+fromLeft; 
	 if (strType=="fixed") 
	   strOptions="status,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth+",top="+fromTop+",left="+fromLeft; 
	 if (strType=="elastic") 
	   strOptions="scrollbars,resizable,menubar=no,statusbar=no,toolbar=no,height="+ 
		 strHeight+",width="+strWidth+",top="+fromTop+",left="+fromLeft;
	 newWin = window.open(strURL, wName, strOptions);
	 newWin.focus();
}