document.observe("dom:loaded", onPageLoad);

function buildSiteTopMenu(){
    var ultags = document.getElementById("topMenu").getElementsByTagName("ul");

    for (var t=0; t<ultags.length; t++){
        if (ultags[t].parentNode.parentNode.id == "topMenu") {
            ultags[t].style.top=ultags[t].parentNode.offsetHeight + "px" 
        }
        ultags[t].parentNode.onmouseover=function(){
            this.getElementsByTagName("ul")[0].style.visibility="visible"
        }
        ultags[t].parentNode.onmouseout=function(){
            this.getElementsByTagName("ul")[0].style.visibility="hidden"
        }
    }
}

function gotoURL(url) {
    window.location.href = url;
}

function onSearchInputFocus() {
    if ($('searchVideo').hasClassName('searchExp')) {
        $('searchVideo').value = '';
        $('searchVideo').removeClassName('searchExp');
    }
}

function onPageLoad() {
    buildSiteTopMenu();
    $('searchVideo').observe('focus', onSearchInputFocus);
}

function submitSearch(form) {
    if ($F('searchVideo').strip() != '') {
        window.location.href = '/videos/search.htm?term=' + encodeURI($F('searchVideo'));
    }        
    return false;
}