var adCurIndex=0;
var adObjText;
var adObjImg;
var adObjLink;
var adObjList;
var adArrList;
function switchAdPic(i) {
	var ti;
	if (i<1 || i>adImg.length)
		adCurIndex=adCurIndex+1;
	else
		adCurIndex=i;
	if (adCurIndex>adImg.length) adCurIndex=1;
	
	adObjText.innerHTML=adText[adCurIndex-1];
	adObjImg.src=adImg[adCurIndex-1];
	adObjImg.alt=adText[adCurIndex-1];
	adObjLink.href=adUrl[adCurIndex-1];
	
	for (ti=0; ti<adImg.length; ti++) {
		if (ti==adCurIndex-1)
			adArrList[ti].className="active";
		else
			adArrList[ti].className="";
	}
}

function loadAdPic() {
	var ti, tmpObj;
	adObjText=document.getElementById("ztText");
	adObjImg=document.getElementById("ztPic");
	adObjList=document.getElementById("ztList");
	adObjLink=document.getElementById("ztLink");
	for (ti=1; ti<=adImg.length; ti++) {
		tmpObj=document.createElement("li");
		if (ti==1) tmpObj.className="active";
		tmpObj.innerHTML="<a href=\"javascript:switchAdPic("+ti+");\">"+ti+"</a>";
		adObjList.appendChild(tmpObj);
	}
	adObjText.innerHTML=adText[0];
	adObjImg.src=adImg[0];
	adCurIndex=1;
	adArrList=adObjList.getElementsByTagName("li");
	setInterval("switchAdPic(0)",2500);
}