function scroller() {
    if (navigator.appVersion.match('iPhone')){
        parent.window.scrollTo(0,1);
    }
}

function goJoinvid(){
    setTimeout('goJoin()', 2000);
    scroller();
}

function goJoin(event){
    var queryString = unescape(location.search.substring(1));
    //window.location='signup.php?' + queryString;
    window.location = 'tour1.php?' + queryString;
}