imageArray = new Array (
		"images/tim_default.gif",
		"images/animate_watch.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif",
		"images/tim_default.gif"
	);
	var currentNum = 0;
	var arrayLength = imageArray.length - 1;

	var lock = false;
	var run;
	function changeHero(direction) {
		if (document.images) {
			currentNum = currentNum + direction;
			if (currentNum > arrayLength) {
			currentNum = 0;
		}
		if (currentNum < 0) {
			currentNum = arrayLength;
		}
		document.slideshow.src = imageArray[currentNum];
  	 }
	}
	function auto() {
		if (lock == true) {
			lock = false;
			window.clearInterval(run);
		} else if (lock == false) {
			lock = true;
			run = setInterval("changeHero(1)", 2000);
 	  }
	}