var cMenuItems = 9;
var cImageItems = 4;
var secs;
var timerID = null;
var timerRunning = false;
var delay = 500;

function display(menuNum) {
	for(var i = 1; i <= cMenuItems; i++ ) {
		var menu = 'menu_'+i;
		
		if( i == menuNum )
			document.getElementById(menu).style.display = "block";
		else
			document.getElementById(menu).style.display = "none";
	}
}

function InitializeTimer() {
	// Set the length of the timer, in seconds
	secs = 2;
	StopTheClock();
	StartTheTimer();
}

function StopTheClock() {
	if(timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}

function StartTheTimer() {
	if (secs==0) {
		StopTheClock();
		// Here's where you put something useful that's
		// supposed to happen after the allotted time.
		// For example, you could display a message:
		for(var i = 1; i <= cMenuItems; i++ ) {
			var menu = 'menu_'+i;
			document.getElementById(menu).style.display = "none";
		}
	} else {
		self.status = secs;
		secs = secs - 1;
		timerRunning = true;
		timerID = self.setTimeout("StartTheTimer()", delay);
	}
}

function bookmark(url,title) {
	if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
		window.external.AddFavorite(url,title);
	} else if (navigator.appName == "Netscape") {
		window.sidebar.addPanel(title,url,"");
	} else {
		alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
	}
}