var faux = null;
						
function opNah(filename)
{

	var properties = "resizable=1,toolbar=0,status=1,scrollbars=1,width=600,height=300,screenX=100,screenY=100,left=100,top=100";
 	
 	faux = window.open(''+filename+'',"newWin",properties) 
 	var fd = faux.document;
	 
}	
	
window.onfocus = function () { if (faux && !faux.closed) faux.close() };