function goTo(dest) 
    {
        window.location=dest;
    }

    var currentPosition = 0;
    preload_image_object = new Image();

	var arrPhotos = new Array();
	arrPhotos[0] = "Images/top1.jpg";
	arrPhotos[1] = "Images/top2.jpg";
	arrPhotos[2] = "Images/top3.jpg";

    // Preload images
	for(i = 0; i < arrPhotos.length; i++) {
		preload_image_object.src = arrPhotos[i];
    }

	function showPhoto(showIndex)
	{
		var speed = Math.round(800 / 100);
		var timer = 0;

		document.getElementById("topImg").src = arrPhotos[showIndex];
	
		for (i = 0;i <= 100 ; i++)
		{
		    setTimeout("changeOpac(" + i + ",'topImg')", (timer * speed));
			timer++;
		}

		setTimeout('nextPhoto()', 7500)

	}

	function nextPhoto()
	{
		var newIndex = 0;
		var speed = Math.round(800 / 100);
		var timer = 0;
		
		
		for (i = 100;i >= 0; i--)
		{
		    setTimeout("changeOpac(" + i + ",'topImg')", (timer * speed));
			timer++;
		}

		if (arrPhotos.length - 1 > currentPosition) {
			currentPosition++;
			newIndex = currentPosition;
		}
		else
		{
			currentPosition = 0;
		}

		setTimeout('showPhoto(' + newIndex + ')', 800);

	}


	
	//change the opacity for different browsers
	function changeOpac(opacity, id) {
		//alert(opacity);
		var object = document.getElementById(id).style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
	}