var interval = 10000;
var ImageNum = 0;
imageArray = new Array();
imageArray[2] = new imageItem("img/idcom_01.jpg");
imageArray[0] = new imageItem("img/idcom_02.jpg");
imageArray[1] = new imageItem("img/idcom_03.jpg");
imageArray[3] = new imageItem("img/idcom_04.jpg");
imageArray[4] = new imageItem("img/pubext_01.jpg");
imageArray[5] = new imageItem("img/pubext_02.jpg");
imageArray[6] = new imageItem("img/pubext_03.jpg");
imageArray[7] = new imageItem("img/pubext_04.jpg");
imageArray[8] = new imageItem("img/idcom_05.jpg");
imageArray[9] = new imageItem("img/seafaris.jpg");
imageArray[10] = new imageItem("img/aquashow_ad.jpg");

var number_of_image = imageArray.length;


function imageItem(image_location)
{
this.image_item = new Image();
this.image_item.src = image_location;
}
function get_ImageItemLocation(imageObj)
{
return(imageObj.image_item.src);
}
function getNextImage()
{
ImageNum = (ImageNum+1) % number_of_image;
var new_image = get_ImageItemLocation(imageArray[ImageNum]);
return(new_image);
}

function opacity(id, opacStart, opacEnd, millisec)
{
	var speed = Math.round(millisec / 250);
	var timer = 10;
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd)
	{
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}
function changeOpac(opacity, id)
{
	var object = document.getElementById(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function rotateImage(place)
{
var new_image = getNextImage();

opacity(place,0,100,1000);

document.getElementById(place).src = new_image;

setTimeout("opacity(\""+place+"\",100,0,1000)", (interval-2000));

var recur_call = "rotateImage('"+place+"')";
timerID = setTimeout(recur_call, interval);

function setBookmark(url,str){
if(str=='')str=url;
if (document.all)window.external.AddFavorite(url,str);
else alert('Press CTRL and D to add a bookmark to:\n"'+url+'".');
} 

}