//search
function subsearch() {
    var searchText = document.getElementById("SearchBox").value;
    if(searchText != null && searchText != "") {
        window.location = "/search.aspx?searchtext=" + searchText;
    }
    return true;
}

function subenter(e) {
    if ((e.keyCode || e.which) == 13) {
       subsearch();
       return false;
    }
    return true;
}