// page functionality
function SearchValidate(evt) {
    if (document.getElementById(varPrefix + "txtSearch").value == "") {
        alert ("Please enter a search term.");
        document.getElementById(varPrefix + "txtSearch").focus();
        return CancelEvent(evt);
    }
    return (true);
}

// page load functionality
function SearchLoad() {
    var objEvents = new EventArray();
    objEvents.Add(new Event(varPrefix + "lnkSearch", "click", SearchValidate));
    objEvents.AttachEvents();
}

var varPrefix = "ctl00_ctrlSearchControl_";