// JavaScript Document

function rollOn()
{
	// Assign a path for rollover image
	var getURL = 'images/' + this.title + '_on.png'; 
	// put in to XHTML src element
	this.src = getURL;
}

function rollOut()
{
	// Assign a path for rollout image
	var getURL = 'images/' + this.title + '.png'; 
	// put in to XHTML src element
	this.src = getURL;
}