var img1 = new Image();
	img1.src = "../images/navigation/plus.gif";
	var img2 = new Image();
	img2.src = "../images/navigation/minus.gif";
	
	function doOutline() {
	  var srcId, srcElement, targetElement;
	  srcElement = window.event.srcElement;
	  if (srcElement.className.toUpperCase() == "LEVEL1" || srcElement.className.toUpperCase() == "FAQ") {
			 srcId = srcElement.id.substr(0, srcElement.id.length-1);
			 targetElement = document.all(srcId + "s");
			 srcElement = document.all(srcId + "i");
	
	  	if (targetElement.style.display == "none") {			
					 targetElement.style.display = "";
			 		 if (srcElement.className == "LEVEL1") srcElement.src = img2.src;
	     	} else {
					 targetElement.style.display = "none";
					 if (srcElement.className == "LEVEL1") srcElement.src = img1.src;
	     }
	  }
	}
	
	document.onclick = doOutline;