function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
   } else {
      obj.style.display="block";
   }
}

<!--
function decision(message, url){
if(confirm(message)) location.href = url;
}
// -->

var lastLocation='location01';
function changeLocation(where) {
	document.getElementById(lastLocation).className="invisible";
	document.getElementById(where).className="";
	document.getElementById(lastLocation+'_link').className="";
	document.getElementById(where+'_link').className="thispage";
	lastLocation=where;
	return false;
}