// JavaScript Document
	function getObj(name)
	{
  		if (document.getElementById)
  		{
    		return document.getElementById(name);
  		} else 
		if (document.all)
  		{
    		return document.all[name];
  		}  else 
		if (document.layers)
  		{
    		return document.layers[name];
  		}  else return false;
	}

  	function layerOn(whichLayer) {
       var obj = getObj(whichLayer);
	   obj.className = "navCaptionOn";
	}
  
  	function layerOff(whichLayer) {
       var obj = getObj(whichLayer);
	   obj.className = "navCaptionOff";
  	}

  	function layerToggle(whichLayer) 
	{
		var obj = getObj(whichLayer);
		if (obj.style.display == "block") {
			obj.style.display = "none";
		} else {
			obj.style.display = "block";
		}
	}