window.onload=initBanner;

var adImages=new Array("images/iconmessages2.jpg", "images/LEOclick.jpg", "images/YOUTUBE.jpg","images/googlemap.jpg");
var adURL=new Array("forum.php", "images/noise_presentation[1].wild.pdf","http://www.youtube.com/watch?v=Yv8W0RSYpC4","maps");
var thisAd=0;

function rotate()
{
	thisAd++;
	if (thisAd==adImages.length)
	{
		thisAd=0;
	}
	
	
	document.getElementById("adBanner").src=adImages[thisAd];
	setTimeout("rotate()",3*1000);
}

function newLocation()
{
	document.location.href=adURL[thisAd];
	return false;
}

function initBanner()
{
	if(document.getElementById("adBanner").parentNode.tagName=="A")
	{
		document.getElementById("adBanner").parentNode.onclick=newLocation;
	}
	
	rotate();
}