<!--
function windowTestPol(lnk){
    if(window.open){ //no window.open == window was not script opened
        if(window.opener && !window.opener.closed && opener.location){
            opener.location = lnk.href+'?choice=reg';
            //opener.location = lnk.href;
            //maybe instead - opener.location.href = lnk.href;
            opener.focus();
            return false;
        }
        if(window.opener.closed){
            mainpage = window.open(lnk+'?choice=reg','sitehome');
            mainpage.focus();
            return false;
        }
    }
    return true;
}
//-->