function SubmitCustomSearchRedirect(strUrl)
{
    var frm=document.forms["frmSiteSearch"];
    frm=document.forms[MSOWebPartPageFormName];
    var searchText=frm.elements["CustomSearchString"].value;
    var searchScope=frm.elements["CustomSearchScope"].value;
    strUrl=strUrl+"?k="+escapeProperly(searchText) +"&u="+escapeProperly(searchScope);
    window.location = strUrl;
}
function CustomSearchKeyDown(event, strUrl)
{
    if (IsKeyDownSubmit(event))
    {
        SubmitCustomSearchRedirect(strUrl);
        return false;
    }
    return true;
}