function menuItemSwap(obj) {

	src = $(obj).attr("src");
	
	if (src.match("-hl.gif") == null) {
		$(obj).attr("src",src.replace(/.gif/, "-active.gif")); }
	else {
		$(obj).attr("src",src.replace(/-hl.gif/, "-active.gif")); }
	
}

function menuItemDeSwap(obj) {

	src = $(obj).attr("src");
	
	if ($(obj).attr("class") == "highlight") {
		$(obj).attr("src",src.replace(/-active.gif/, "-hl.gif")); }
	else {
		$(obj).attr("src",src.replace(/-active.gif/, ".gif")); }
}

var UpdateInterval = 15;
var PixelPerInterval = 3;
var scorllerInterval;

function start_scroll_right() {
	scorllerInterval = setInterval(scroll_left, UpdateInterval);
}

function scroll_right() {
	document.getElementById('suwak').scrollLeft -= PixelPerInterval;
}

function start_scroll_left() {
	scorllerInterval = setInterval(scroll_right, UpdateInterval);
}

function scroll_left() {
	document.getElementById('suwak').scrollLeft += PixelPerInterval;
}

function stop_scrolling() {
	clearInterval(scorllerInterval);
}