<!-- // Richard Watts May 2005 

// ***************************************************** //
// NB getElementById not supported on NS4                //
// Requires additional code if to be backward compatible //
// ***************************************************** //

	var lastItem=0;
	
	function Toggle(item) {
		
		if (lastItem !=0 ) { Collapse(lastItem); }
		obj=document.getElementById(item);
	   
		visible=(obj.style.display!="none")

		if (visible) {
			obj.style.display="none"; } 
		else {
			obj.style.display="block";
		}
			lastItem = item;
	}
	
	function Collapse(lastItem) {
		divs=document.getElementById(lastItem);
		divs.style.display="none";
	}
	

	function Index() {
		if (document.URL.indexOf('level') != -1) {
		var URLStr   = location.search.substring(1, location.search.length)
		var URLArgs  = URLStr.split('&');
			  URLpair  = unescape(URLArgs[0]);
		var URLValue = URLpair.split("=")
			  Toggle(URLValue[1])
		}
	}
	
	function MM_openBrWindow(theURL,winName,features) { //v2.0
	  window.open(theURL,winName,features);
	}

// -->