// created by: Daniel Dixon
// date: September 25, 2006
// last modified: Semtember 26, 2006

var previous="";

function show(id) {
	if (document.getElementById){
		if (previous!="") {
			document.getElementById(previous).style.display="none";
			document.getElementById(previous + "_link").className="";
		}
		document.getElementById(id).style.display="block";
		document.getElementById(id + "_link").className="selected";
		previous=id;
	}
}