var bannerImages, bannerUrls;
var currentBannerIndex = 0;

function startBannerRotation()
{
	window.setTimeout('nextBanner()', 11000);
}

function nextBanner()
{
	// Move to next banner offset
	currentBannerIndex++;
	if (currentBannerIndex >= bannerImages.length)
		currentBannerIndex = 0;
	
	var fo;
	var bannerImageDiv = document.getElementById('bannerImageDiv');
	var bannerFlashDiv = document.getElementById('bannerFlashDiv');
	var flashContent = document.getElementById('flashcontent');
	// Apply settings
	if (bannerImages[currentBannerIndex].lastIndexOf(".swf") != -1)
	{
	    // Is a flash banner
	    bannerImageDiv.style.display = "none";
        bannerFlashDiv.style.display = "block";
        if (bannerImages[currentBannerIndex].indexOf("_vert") != -1)
        {
            flashContent.innerHTML = "<a id='vertBannerLink' href='" +  bannerUrls[currentBannerIndex] + "'><img id='vertBannerImage' src='" + bannerImages[currentBannerIndex].replace(".swf", ".gif") + "' border='0' /></a>";
            document.getElementById('vertFlashLink').href = bannerUrls[currentBannerIndex];
            fo = new SWFObject(bannerImages[currentBannerIndex], "viewer", "148", "322", "7", "#ffffff");
        }
        else
        {
            flashContent.innerHTML = "<a id='topBannerLink' href='" +  bannerUrls[currentBannerIndex] + "'><img id='topBannerImage' src='" + bannerImages[currentBannerIndex].replace(".swf", ".gif") + "' border='0' /></a>";
            document.getElementById('topFlashLink').href = bannerUrls[currentBannerIndex];
            fo = new SWFObject(bannerImages[currentBannerIndex], "viewer", "468", "60", "7", "#ffffff");
        }
        fo.addVariable("preloaderColor", "0x000000");
        fo.addParam("wmode", "transparent");
        fo.write("flashcontent");
	}
	else
	{
	    // Is an image banner
	    bannerImageDiv.style.display = "block";
        bannerFlashDiv.style.display = "none";
        try{ // Backward compatability in case old inges still
            if (bannerImages[currentBannerIndex].indexOf("_vert") != -1)
            {
	            document.getElementById('vertBannerLink').href = bannerUrls[currentBannerIndex];
	            document.getElementById('vertBannerImage').src = bannerImages[currentBannerIndex];
	        }
	        else
	        {
	            document.getElementById('topBannerLink').href = bannerUrls[currentBannerIndex];
	            document.getElementById('topBannerImage').src = bannerImages[currentBannerIndex];
	        }
	    }catch(e){}
	}
		
	window.setTimeout('nextBanner()', 11000);
}