var boxoverShim;

if (window.createPopup && !window.XmlHttpRequest) 
{
    document.write('<iframe id="boxoverShim" src="/_empty.html" style="display: none; left: 0; top: 0; z-index: 0; position: absolute; filter:   progidXImageTransform.Microsoft.Alpha(style=0,op acity=0)" frameBorder="0" scrolling="no"></iframe>')
    boxoverShim = document.getElementById("boxoverShim");
}

function showShim(boxoverObject) 
{
  try 
  {
    with (boxoverShim.style) 
    {                        
        var pp=getPosition(boxoverObject);
        left = pp[0]-14;
        top = pp[1]+3;
        width = boxoverObject.offsetWidth+"px";      
        height = eval(boxoverObject.offsetHeight-9)+"px";      
        display = (boxoverObject.style.visibility == "visible") ? "block" : "none";      
    }
  } catch (e) {}
}

function hideShim(boxoverObject) 
{
  try 
  {
    boxoverShim.style.display = 'none';
  } catch (e) {}
}

var m_id=[0];
var m_ind=[0];
var timer_id=null;
var MenuTimeOut=1000;
 
   
function set_over(id) {
 
}

function setImgOffExceptingOne(id) {
  
}

function reset_over(id) { 
 if (document.getElementById('h'+id).src){
   document.getElementById('h'+id).src = help_image;
 }
 else{
  
 }
}

function set_img(id, img){
  var imgObj = document.getElementById(id);
  if (imgObj != null) {
    imgObj.src = img;
  }
  
}

function m_over(m_id1,m_id2)
{
    m_rtimer();

    if (m_ind[m_id1]!=null)
        hide_ms(m_ind[m_id1]+1);

    if (m_id2!=0) {
      m_visibility(m_id2,'visible');
      m_ind[m_id2]=m_id.length;
      m_id[m_id.length]=m_id2;
    }
    
}

function m_out() {
 
    if (timer_id!=null) {
      return;
    }
    if (m_id.length==1) {
      return;
    }

    timer_id=setTimeout('m_hide()',MenuTimeOut);        
}

function m_in()
{
    m_rtimer();
}

function m_hide() {
  
  if (m_id.length>2) {
    hide_ms(m_id.length-1);
    timer_id=setTimeout('m_hide()',MenuTimeOut);
  }
  else {
    hide_ms(1);
    timer_id=null;
  }
}

function hide_ms(i) {

  var j;
  
  for(j=m_id.length-1;j>=i;j--) {
    m_ind[m_id[j]]=null;
    m_visibility(m_id[j],'hidden');
    reset_over(m_id[j]);
  }    
  m_id.length=i;
}

function m_visibility(id,visibility) {    
    
    var dm=document.getElementById('menu'+id);
    if (dm) {

        if (visibility=="hidden") {
            hideShim(dm);
        }        
      
        //if (document.getElementById)
        dm.style.visibility=visibility;
        //else document.all['dropmenu'+id].style.visibility=visibility;
          
        if (visibility=="visible") {        
            showShim(dm);
        }            
    }
        
}

function m_rtimer()
{
    if (timer_id!=null)
    {
	clearTimeout(timer_id);
	timer_id=null;
    }
}

function m_do_hide()
{
    m_rtimer();
    m_hide();
}

document.onclick=m_do_hide;