var ns4 = (document.layers)? true:false;
var ie4 = ((document.all) && (!document.getElementById))? true:false;
var ns6 = ((document.getElementById) && (!ie4))? true:false;

var tto
var thisDiv

function gety(theitem){
    var obj =eval("document.getElementById('m_" + theitem + "')");
    var curleft = 0;
    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curleft += obj.offsetLeft
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
        curleft += obj.x;
    //return curleft;
    return(curleft);
}
function getx(theitem){
    var obj =eval("document.getElementById('m_" + theitem + "')");
    var curtop = 0;
    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
        curtop += obj.x;
    //return curleft;
    return(curtop);
}



function showMenu(theItem){
   var y=gety(theItem);
   var x= getx(theItem) + 14;
  clearTimeout(tto);
   if (ns4) {
      thisDiv = document.layers['mc_'+theItem];
       thisDiv.top=x;
      thisDiv.left=y;
      thisDiv.visibility="show";
       }
   if (ie4) {
      if ((thisDiv) &&(thisDiv!=document.layers['mc_'+theItem])){
           thisDiv.visibility='hidden';
       }
      thisDiv = document.layers['mc_'+theItem];
       thisDiv.top=x;
      thisDiv.left=y;
      thisDiv.visibility="visible";
      }
   if (ns6) {
      if ((thisDiv) &&(thisDiv!=document.getElementById('mc_'+theItem).style)){
        thisDiv.visibility='hidden';
       }
       thisDiv = document.getElementById('mc_'+theItem).style;
    thisDiv.top=x;
      thisDiv.left=y;
      thisDiv.visibility="visible";
      }
}
            
function hideMenu(theItem){
   var thetime=400;
   if (ns4) {
      thisDiv = document.layers['mc_'+theItem];
      tto=setTimeout("thisDiv.visibility='hide'",thetime);
      }
   if (ie4) {
      thisDiv = document.layers['mc_'+theItem];
      tto=setTimeout("thisDiv.visibility='hidden'",thetime);
      }
   if (ns6) {
      thisDiv = document.getElementById('mc_'+theItem).style;
      tto=setTimeout("thisDiv.visibility='hidden'",thetime);
      }
}        

function bgOn(something, nouv_class) {
    var t=document.getElementById(something);
    if (t.className == "nv-ab") {
        t.className = "nv-ab-h";
    } else {
        t.className = "nv-gr-h";
    }
    t.style.cursor='pointer';
}
    
function bgOff(something){
    var t=document.getElementById(something);
    if (t.className == "nv-ab-h") {
        t.className = "nv-ab";
    } else {
        t.className = "nv-gr";
    }
    t.style.cursor='auto';
}