var selectedid = '';
var selectedclass = '';

function changecolor(id, classid)
{
	if (id != selectedid) { id.className = classid;}
}

function selectrow (id, classid, selectedclassid)
{
	if (id != selectedid) { 
	selectedid.className = selectedclass;
	selectedid = id;
	selectedclass = classid;
	id.claseName = selectedclassid;
	}
}

function change (picurl,source) {
document[source].src = picurl;
}