<!--
function getVars(btn) {
if(document.getElementById){
	var path = document.getElementById(btn.id).src;
	var parts = path.split("/");
	var fname = parts.pop(); 
	var fnameparts = fname.split("."); 
	var ext = fnameparts.pop();
	var newpath = parts.join("/"); 
	// ---
	var vars = new Array();
	vars.newpath = newpath;
	vars.ext = ext;
	return vars;
}
}

function mouseOver(btn){
if(document.getElementById){
	newvars = getVars(btn);
	newpath = newvars.newpath;
	ext = newvars.ext;
	document.getElementById(btn.id).src = newpath + "/" + btn.id + "-over." + ext;
}
}

function mouseOut(btn){
if(document.getElementById){
	newvars = getVars(btn);
	newpath = newvars.newpath;
	ext = newvars.ext;
	document.getElementById(btn.id).src = newpath + "/" + btn.id + "." + ext;
}
}
//-->