function showBanner(response,area){
	oDiv = document.getElementById('banner');
	if(oDiv!=null){
		while(oDiv.firstChild){
			oDiv.removeChild(oDiv.firstChild);
		}
		aItem = response.split("@^@");
		if(aItem.length>1){
			oAnchor = document.createElement("a");
			oAnchor.setAttribute("href",aItem[0]);
			oImg = document.createElement("img");
			oImg.setAttribute("alt",aItem[2]);
			oImg.setAttribute("src",'http://www.roddenberry.com/images/referral_banners/'+aItem[1]);
			oAnchor.appendChild(oImg);
			oDiv.appendChild(oAnchor);
			setTimeout(function(){rotateBanners(area)},5000);
		}else{
			oDiv.appendChild(document.createTextNode(""));
			setTimeout(function(){rotateBanners(area)},100);
		}
	}
}
function rotateBanners(area){
	xmlHttp2 = XMLHttpObject();
    xmlHttp2.open("GET","http://www.roddenberry.com/?action=site.getBanner&area="+area+"&dt="+Math.random(),true);
    xmlHttp2.send(null);
	xmlHttp2.onreadystatechange=function(){
      if(xmlHttp2.readyState==4){
	  	showBanner(xmlHttp2.responseText,area);
      }	
    }
}