// JavaScript Document
function navOn(theNav)
{
	theImg = eval("document.images['" + theNav + "_nav']");
	theBar = document.getElementById(theNav + "_under");
	theImg.src = theImg.src.replace("_off","_on");
	theBar.className = "under_on";
	
}
function navOff(theNav)
{
	theImg = eval("document.images['" + theNav + "_nav']");
	theBar = document.getElementById(theNav + "_under");
	theImg.src = theImg.src.replace("_on","_off");
	theBar.className = "under_off";
}