window.onload = function () {
  //alert (pages);
}
var current;
var pages = false;
function getImage(number) {
	if (pages) {
	setYouAreHere(false);
	if (document.images) {
		current = number;
	  	document.images['imageName'].src = pages[current];
	}
	setYouAreHere(true);
	updateCounter();
}
}
function getPrevious() {
	if (pages) {
	setYouAreHere(false);
	 if (document.images) {
		current = (current == 0) ? (pages.length - 1) : (current - 1);
		document.images['imageName'].src = pages[current];
	 }
	setYouAreHere(true);
	updateCounter();
}
}
function getNext() {
	if (pages) {
		setYouAreHere(false);
		if (document.images) {
			current = (current == (pages.length - 1)) ? (0) : (current + 1);
			window.document.images['imageName'].src = pages[current];
			//alert(pages[current]);
		}
		setYouAreHere(true);
		updateCounter();
	}
}
function setYouAreHere(state) {
	if (document.getElementById) {
		el = document.getElementById("i" + current);
		if (el) {
			if (state) {
				el.className = "youarehere";
			} else {
				el.className = "";
			}
		}
	}
}
function updateCounter() {
	if (document.getElementById) {
		el = document.getElementById("counter");
		if (el) {
			el.innerHTML = (current+1) + " of " + pages.length;
		}
	}
}