function showDiv(id) 
	{	    
      if (document.layers) document.layers[''+id+''].visibility = "show"
      else if (document.all) document.all[''+id+''].style.visibility = "visible"
      else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"
	  
	    setZIndex(id, 1000)
    }

    function hideDiv(id)
	{
      if (document.layers) document.layers[''+id+''].visibility = "hide"
      else if (document.all) document.all[''+id+''].style.visibility = "hidden"
      else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "hidden"
	}  
  
    function getObj(name) {
      if (document.getElementById) 
	  {
        return document.getElementById(name).style;
      } 
	  else
        if (document.all) 
		{
          return document.all[name].style;
        } 
		else
        if (document.layers) 
		{
          return document.layers[name];
        }
    }

    function setZIndex(name, z) {
      getObj(name).zIndex = z;
    }