if (document.images) {
	roll_01_on = new Image();				// Active Images
	roll_01_on.src ="../images/templates/leftnav_about_mo.gif";
	roll_02_on = new Image();
	roll_02_on.src ="../images/templates/leftnav_events_mo.gif";
	roll_03_on = new Image();
	roll_03_on.src ="../images/templates/leftnav_news_mo.gif";
	roll_04_on = new Image();
	roll_04_on.src ="../images/templates/leftnav_photos_mo.gif";
	roll_05_on = new Image();
	roll_05_on.src ="../images/templates/leftnav_merch_mo.gif";
	


	roll_01_off = new Image();				// Inactive Images
	roll_01_off.src ="../images/templates/leftnav_about.gif";
	roll_02_off = new Image();
	roll_02_off.src ="../images/templates/leftnav_events.gif";
	roll_03_off = new Image();
	roll_03_off.src ="../images/templates/leftnav_news.gif";
	roll_04_off = new Image();
	roll_04_off.src ="../images/templates/leftnav_photos.gif";
	roll_05_off = new Image();
	roll_05_off.src ="../images/templates/leftnav_merch.gif";
	
}

// Function to 'activate' images.
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_on.src");
	}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_off.src");
	}
}