var ant;
av=navigator.appVersion;
hh=av.indexOf("2.0");   
function an(tpage,vals)
 { ant=window.open(tpage,"SMWIN",vals); ant.location=tpage; if (ant.opener==null) ant.opener=window; if (hh!=0) ant.focus(); }
 
 function parent_link(url){

	window.opener.location.href = url;
	window.close();
	
}

function open_doc(cime,szelesseg,magassag){
       if (typeof usrwindow != 'undefined'){
	if (!usrwindow.closed){usrwindow.close();}}
     usrwindow=window.open(cime,'ablak', 'top=0,left=0,resizable=no,hotkeys=yes,width='+szelesseg+',height='+magassag);
}