function tmDisplayBanner(banners, divName, width, height, defaultSize, tracking) {
	if (!defaultSize) defaultSize = "300x250";
	var size = width + 'x' + height;
	var adDiv = document.getElementById(divName);

	if (banners.constructor.toString().indexOf("Array") == -1) {
		// convert banners to an array
		var tempArray = [];
		for (var key in banners) {
			if (key === "tracking") {
				tracking = banners["tracking"];
			}
			else {
				tempArray.push(banners[key]);
			}
		}
		banners = tempArray;
	}

	// Loop through all the banners
	var newBanners = new Array(); 
	for (var i=0; i<banners.length; i++) {
		if (banners[i].type) {
			var newBanner = null;
			for (var j=0; j<newBanners.length; j++) {
				if (newBanners[j].size == banners[i].size) {
					newBanner = newBanners[j];
					break;
				}
			}
			if (newBanner == null) {
				newBanner = new Object();
				newBanner.size = banners[i].size;
				newBanner.width = banners[i].width;
				newBanner.height = banners[i].height;
				newBanners[newBanners.length] = newBanner;
			}
			if (banners[i].type == "image") {
				newBanner.imageUrl = banners[i].imageUrl ? banners[i].imageUrl : banners[i].url;
				newBanner.clickUrl = banners[i].clickUrl;
			} else if (banners[i].type == "iframe") {
				newBanner.htmlUrl = banners[i].htmlUrl ? banners[i].htmlUrl : banners[i].url;
			} else if (banners[i].type == "swf") {
				newBanner.swfUrl = banners[i].swfUrl ? banners[i].swfUrl : banners[i].url;
			} else if (banners[i].type == "htmlSource") {
				newBanner.htmlSource = banners[i].source;
			}
		} else {
			tmDisplaySingleBanner(banners[i], adDiv, width, height, size, defaultSize, tracking);
		}
	}

	if (newBanners.length > 0) {
		for (var i=0; i<newBanners.length; i++) {
			tmDisplaySingleBanner(newBanners[i], adDiv, width, height, size, defaultSize, tracking);
		}
	}
}

function tmDisplaySingleBanner(banner, adDiv, width, height, size, defaultSize, tracking) {
	// Find the correct sized one
	var bannerSize = banner.size ? banner.size : banner._size;
	var bannerDisplayed = false;

	if ((bannerSize == null) || (bannerSize == "undefinedxundefined") || (bannerSize == "NaNxNaN") || (bannerSize == "_default")){
		bannerSize = defaultSize;
	}

	if (bannerSize == size) {
		// Remove old ads, could just loop adDiv.childNodes
		var adElem = ["div", "span", "iframe", "a", "object", "table"];
		for(i = 0; i < adElem.length; i ++) {
			oldElems = adDiv.getElementsByTagName(adElem[i]);
			if(oldElems.length > 0) {
				for(j = 0; j < oldElems.length; j++) {
					try {
						adDiv.removeChild(oldElems[j]);
					} catch(e) {}
				}
			}
		}
		
		// If there is a iframe, use it
		var htmlUrl = banner.htmlUrl ? banner.htmlUrl : banner._htmlUrl;
		var htmlSource = banner.htmlSource ? banner.htmlSource : banner._htmlSource;
		var swfUrl = banner.swfUrl ? banner.swfUrl : banner._swfUrl;
		var imageUrl = banner.imageUrl ? banner.imageUrl : banner._imageUrl;
		var clickUrl = banner.clickUrl ? banner.clickUrl : banner._clickUrl;

		if (htmlSource) {
			var div = document.createElement("div");
			div.innerHTML = htmlSource;  	
			adDiv.appendChild(div);
			bannerDisplayed = true;
		} else if (htmlUrl) {
			// Create the iframe
			var iframe = document.createElement("iframe");
			iframe.style.width = width + "px";
			iframe.style.height = height + "px";
			iframe.style.border = "0";
			iframe.scrolling = "no";
			iframe.marginWidth = "0";
			iframe.marginHeight = "0";        
			iframe.frameBorder = "no";
			adDiv.appendChild(iframe);

			// IE has a weird caching issue, so we have to append the 
			// iframe, then set the src
			var new_iframes = adDiv.getElementsByTagName("iframe");
			if (new_iframes.length == 1) {
				var new_iframe = new_iframes[0];
				new_iframe.src = htmlUrl;
				new_iframe.frameborder = "no";
				bannerDisplayed = true;
			}

			// Otherwise if there is a SWF URL, use that
		} else if (swfUrl) {
			// Get the object HTML
			var objHtml = '<object';
			objHtml += ' classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + width + '" height="' + height+ '" id="acudeo_swf">';
			objHtml += '<param name="movie" value="' + swfUrl + '" />';
			objHtml += '<param name="quality" value="high" />';
			objHtml += '<param name="wmode" value="transparent" />';
			objHtml += '<param name="allowfullscreen" value="true" />';
			objHtml += '<param name="allowscriptaccess" value="always" />';
			objHtml += '<!--[if !IE]>-->';
			objHtml += '<object type="application/x-shockwave-flash" data="' + swfUrl + '" width="' + width + '" height="' + height + '" id="acudeo_swf">';
			objHtml += '<param name="quality" value="high" />';
			objHtml += '<param name="wmode" value="transparent" />';
			objHtml += '<param name="allowfullscreen" value="true" />';
			objHtml += '<param name="allowscriptaccess" value="always" />';
			objHtml += '<!--<![endif]-->';
			objHtml += '<a href="http://www.adobe.com/go/getflashplayer">';
			objHtml += '<img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" />';
			objHtml += '</a>';
			objHtml += '<!--[if !IE]>-->';
			objHtml += '</object>';
			objHtml += '<!--<![endif]-->';
			objHtml += '</object>';

			// Create a span to hold the
			var span = document.createElement("span");

			// Append the span and set the HTML
			if (navigator.appName.indexOf("Microsoft") != -1) {
				adDiv.appendChild(span);
				var new_spans = adDiv.getElementsByTagName("span");
				if (new_spans.length == 1) {
					var span = new_spans[0];
					span.outerHTML = objHtml;
				}
			} else {
				span.innerHTML = objHtml;
				adDiv.appendChild(span);
			}
			bannerDisplayed = true;

			// Otherwise if there is an image, use that
		} else if (imageUrl) {
			// Create the anchor tag

			var a = document.createElement("a");
			a.setAttribute("href", clickUrl);
			a.setAttribute("target", "_blank");

			if (tracking && tracking.clickTrackUrl) {
				a.onclick = function () {
					new Image().src = tracking.clickTrackUrl;
					return true;
				}
			}

			// Create the image tag
			var img = document.createElement("img");
			img.setAttribute("src", imageUrl);
			img.setAttribute("border", 0);
			img.setAttribute("width", width);
			img.setAttribute("height", height);
			a.appendChild(img);

			// Add the tag
			adDiv.appendChild(a);
			bannerDisplayed = true;
		}
	}

	if (bannerDisplayed) {
		adDiv.style.visibility = "visible";
	}

	if (tracking && tracking.impressionUrls && tracking.impressionUrls.length && bannerDisplayed) {
		for (var i=0; i<tracking.impressionUrls.length; i++) {
			var img = new Image();
			img.onerror = function() { tmOnBannerImpLoadError(tracking.errorUrls); };
			img.src = tracking.impressionUrls[i];
		}
	}
}

function tmHideBanner(divId) {
	var adDiv = document.getElementById(divId);
	adDiv.style.visibility = "hidden";
}

function tmOnBannerImpLoadError(urls) {
	for (var i=0; i<urls.length; i++) {
		new Image().src = urls[i];
	}
}