var title = new Array(4);
var cream = "#FFFDDA";
var pale = "#A7D6D5";
var color = [pale, cream, cream, pale];
var menucount = 5;
var extcount = [0, 3, 3, 0, 0];
var animate = true;

function initialise() {
	for (i=0; i<menucount; i++) {
		title[i] = document.getElementById('title'+i);
		}
	}

function display() {
	if (animate) {
		pause = setInterval("cycle()", 1000);
		}
	else {
		clearInterval(pause);
		}
	}

function cycle() {
	for (i=0; i<4; i++) {
		if (color[i] == pale) {
			color[i] = cream;
			}
		else {
			color[i] = pale;
			}
		title[i].style.backgroundColor = color[i];
		}
	}

function toggle() {
	animate = !animate;
	}

function lightOn(extension) {
	var item;
	item = document.getElementById(extension);
	item.style.backgroundColor = cream;
	}
function lightOff(extension) {
	var item;
	item = document.getElementById(extension);
	item.style.backgroundColor = pale;
	}

function submenu(show) {
	var item;
	var j = 1;
	while (j <= extcount[i-1]) {
		item = document.getElementById('r'+i+'e'+j);
		item.style.visibility = show;
		j++
		}
	}

function highlight(row) {
	for(i = 1; i <= menucount; i++) {
	var item;	
	item = document.getElementById('r'+i);
		if (row == i) {
			item.style.backgroundColor = cream;
			submenu('visible');
			}
		else {
			item.style.backgroundColor = pale;
			submenu('hidden');
			}
		}
	}

// Revised 27 October 2004