function rolloverColor(id)
{
	id = id.substring(1);
	//alert(id);
	document.getElementById("t"+id).className = "subtopnavigation_o";
	document.getElementById("l"+id).className = "subtopnavigation_o";
}
function rolloutColor(id)
{
	id = id.substring(1);
	document.getElementById("t"+id).className = "subtopnavigation";
	document.getElementById("l"+id).className = "subtopnavigation";
}
function rolloverImage(imgID){
	//alert(document.getElementById(imgID).src);
	document.getElementById(imgID).src = "images/tfsnet_o.jpg";
}
function rolloutImage(imgID){
	document.getElementById(imgID).src = "images/tfsnet.jpg";
}