function Search_SearchTextClicked(textBoxName, url, queryStringName)
{
    document.location= url + '?' + queryStringName + '=' + escape(textBoxName.value);
}

function Search_getKeyCode(e)
{
    if (window.event)
       return window.event.keyCode;
    else if (e)
       return e.which;
    else
        return null;
}

function Search_TextBoxKeyPress(e, textBoxName, url, queryStringName)
{ 
    var key='', keychar='';
    key = Search_getKeyCode(e);
    if (key == null) return true;
    if ( key== 13)
    {
        Search_SearchTextClicked(textBoxName, url, queryStringName);
        return false;
    }
    return true;
}