function HelpShow(id)
{
    document.getElementById(id).style.display = "block";
}
function HelpHide(id)
{
    document.getElementById(id).style.display = "none";
}
function HelpToggle(id)
{
    if (document.getElementById(id).style.display == "block")
    {
      HelpHide(id);
    } else {
      HelpShow(id);
    }
}
function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
    obj.addEventListener(evType, fn, true); 
    return true; 
 } else if (obj.attachEvent){ 
    var r = obj.attachEvent("on"+evType, fn); 
    return r; 
 } else { 
    return false; 
 } 
}