function get_cookie(Name) {
    var search = Name + "="
    var returnvalue = "";
    if (document.cookie.length > 0) {
        offset = document.cookie.indexOf(search)
        if (offset != -1) {
            offset += search.length
            end = document.cookie.indexOf(";", offset);
            if (end == -1)
                end = document.cookie.length;
                returnvalue=unescape(document.cookie.substring(offset, end))
        }
    }
    return returnvalue;
}

function loadornot(){
    if (get_cookie('popunder')==''){
        document.cookie="popunder=yes;domain:.altec.it;expiration-date:now()"
        pop_under()
    }
}

function pop_under( evt ) {
    TheNewWin =window.open("http://www.altec.it/pop_iscr.html",'TheNewpop','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=825,height=425');
    TheNewWin.blur();
    window.focus()
}

$(document).click( loadornot );