function AJAX_XMLHTTP_SET() {
    var xmlHttp;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msx12.XMLHTTP");
        }
        catch (e) {
            try {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e) {
                alert("Your browser does not support AJAX!");
                return false;
            }
        }
    }
    return xmlHttp;
}

function ajaxsuggest(str) {

    if (str == "") {
        document.getElementById("Page.Suggest").style.display = "none";
    }
    else {
        document.getElementById("Page.Suggest").style.display = "block";
    }
    var xmlHttp = AJAX_XMLHTTP_SET();

    xmlHttp.onreadystatechange = function() {
        if (xmlHttp.readyState == 3) {
            document.getElementById("Page.Suggest").innerHTML = "searching...";
        } else if (xmlHttp.readyState == 4) {

        document.getElementById("Page.Suggest").innerHTML = xmlHttp.responseText;
        }
    }

    str = encodeURI(str);
    var url = "/search/video/ajax/suggest/";
    url = url + "?q=" + str
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}