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=yes,hotkeys=yes,width='+szelesseg+',height='+magassag);
}