// Pre-load images.
if (document.images) {
	var imgOn = new Array;
	imgOn[0] = new Image();
	imgOn[0].src="/assets/templates/trios/images/hp/tbm_about_us_on.jpg";
	imgOn[1] = new Image();
	imgOn[1].src="/assets/templates/trios/images/hp/tbm_menus_on.jpg";
	imgOn[2] = new Image();
	imgOn[2].src="/assets/templates/trios/images/hp/tbm_dining_rooms_on.jpg";
	imgOn[3] = new Image();
	imgOn[3].src="/assets/templates/trios/images/hp/tbm_catering_on.jpg";
	imgOn[4] = new Image();
	imgOn[4].src="/assets/templates/trios/images/hp/tbm_gallery_on.jpg";
	imgOn[5] = new Image();
	imgOn[5].src="/assets/templates/trios/images/hp/tbm_links_on.jpg";
	imgOn[6] = new Image();
	imgOn[6].src="/assets/templates/trios/images/hp/tbm_contact_us_on.jpg";

	var imgOff = new Array;
	imgOff[0] = new Image();
	imgOff[0].src="/assets/templates/trios/images/hp/tbm_about_us.jpg";
	imgOff[1] = new Image();
	imgOff[1].src="/assets/templates/trios/images/hp/tbm_menus.jpg";
	imgOff[2] = new Image();
	imgOff[2].src="/assets/templates/trios/images/hp/tbm_dining_rooms.jpg";
	imgOff[3] = new Image();
	imgOff[3].src="/assets/templates/trios/images/hp/tbm_catering.jpg";
	imgOff[4] = new Image();
	imgOff[4].src="/assets/templates/trios/images/hp/tbm_gallery.jpg";
	imgOff[5] = new Image();
	imgOff[5].src="/assets/templates/trios/images/hp/tbm_links.jpg";
	imgOff[6] = new Image();
	imgOff[6].src="/assets/templates/trios/images/hp/tbm_contact_us.jpg";
	
	var imgActive = new Image();
}
// Function to 'activate' images.
function imgOver(imgObj) {
	//alert(imgObj.src);
	if(!imgObj.isActive) {
		imgObj.src = imgObj.src.replace('.jpg','_on.jpg');
	} else {
		imgObj.src = imgObj.src.replace('_active.jpg','_on.jpg');
	}
}
// Function to 'deactivate' images.
function imgOut(imgObj) {
	if(!imgObj.isActive) {
		imgObj.src = imgObj.src.replace('_on.jpg','.jpg');
	} else {
		imgObj.src = imgObj.src.replace('_on.jpg','_active.jpg');
	}
}
// Set active img for menu item.
function setActive(imgName) {
	var currentImg = document.getElementById('menu_'+imgName).src;
	currentImg = currentImg.replace('.gif','_active.gif');
	document.getElementById('menu_'+imgName).src = currentImg;
	document.getElementById('menu_'+imgName).isActive = true;
	imgActive.src = currentImg; 
}