function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  var popup;
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';
  
  cookie_str = document.cookie;
  cookie_str.toString();

  pos_start  = cookie_str.indexOf(name);
  pos_end    = cookie_str.indexOf('=', pos_start);

  cookie_name = cookie_str.substring(pos_start, pos_end);

  pos_start  = cookie_str.indexOf(name);
  pos_start  = cookie_str.indexOf('=', pos_start);
  pos_end    = cookie_str.indexOf(';', pos_start);
  
  if (pos_end <= 0) pos_end = cookie_str.length;
  cookie_val = cookie_str.substring(pos_start + 1, pos_end);
  if (cookie_name == name && cookie_val  == "done")
    return;

  //window.open(url, name, "left="+left+",top="+top+",width="+width+",height="+height+",toolbar="+toolbar_str+",menubar="+menubar_str+",status="+statusbar_str+",scrollbars="+scrollbar_str+",resizable="+resizable_str+"location=no");
	popup=window.open(url, name, "left="+left+",top="+top+",width="+width+",height="+height+",location=no");

  }


function ouvrefermediv(divid,nbdiv)
{
	
	this.cacherDiv(divid,nbdiv);
	
		var id = document.getElementById("div"+divid);
		id.style.display = (id.style.display == "block") ? "none" : "block";
	
}
function cacherDiv(divid,nbdiv)
{

for(i=1; i<=nbdiv; i++)
   {
		if (i != divid) {
			document.getElementById("div"+i ).style.display = "none";
		}
   }
}