// ----- DROP DOWN MENU ---------------------------------------------------------
 var at_menuactif="";
 var at_menu_clicked=false;
 
function at_hideall()
{
	if(at_menuactif!=""){
   document.getElementById(at_menuactif.id).style.visibility = "hidden";
	at_menuactif="";
	document.onclick="";
	at_menu_clicked=false;
	}
}

// ----- Show Aux -----

function at_show_aux(parent, child)
{
  at_hideall();
  at_menu_clicked=true;
  var p = document.getElementById(parent);
  var c = document.getElementById(child );

  var top  = (c["at_position"] == "y") ? p.offsetHeight+2 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
  
  at_menuactif=c;
  setTimeout("document.onclick=at_hideall", 100);
}

// ----- Show -----

function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  at_show_aux(p.id, c.id);

  clearTimeout(c["at_timeout"]);
 
}

function at_showmouseover()
{
	if(at_menu_clicked==true){
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  at_show_aux(p.id, c.id);

  clearTimeout(c["at_timeout"]);
 
		}
}


// ----- Hide -----

function at_hide()
{
  var c = document.getElementById(this["at_child"]);

  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
  at_menuactif="";
   at_menu_clicked=false;
}



// ----- Click -----

function at_click()
{

  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);
  if (c.style.visibility != "visible"){
	at_show_aux(p.id, c.id);   
  }
  else{ 
  c.style.visibility = "hidden";
  at_menu_clicked=false;
  }

  return false;
}

// ----- Attach -----

// PARAMETERS:
// parent   - id of visible html element
// child    - id of invisible html element that will be dropdowned
// showtype - "click" = you should click the parent to show/hide the child
//            "hover" = you should place the mouse over the parent to show
//                      the child
// position - "x" = the child is displayed to the right of the parent
//            "y" = the child is displayed below the parent
// cursor   - Omit to use default cursor or check any CSS manual for possible
//            values of this field

function at_attach(parent, child, showtype, position, cursor)
{

  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;
  

  c.style.position   = "absolute";
  c.style.visibility = "hidden";
  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click": 
	  
      p.onclick     = at_click;
	  p.onmouseover = at_showmouseover;
      //p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      //c.onmouseout  = at_hide;

      break;
    case "hover":
      p.onmouseover = at_show;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
  }
}

function build_atmenu(element, contenu){
var html = "\n<div class='dropdownmenu' id='" + element + "_menu'>\n";
html+=contenu;
html+="</div>";
document.write(html);
//document.write("<div class='dropdownmenu' id='" + element + "_menu' style='display:none;z-index:100'>"+contenu+"</div>");
//document.getElementById(element).parentNode.innerHTML += html;	
at_attach(element, element+'_menu', "click", "y", "pointer");
}
// ----- FIN DROP DOWN MENU ---------------------------------------------------------