var imgPre=new Array();
var j=0;
for (i=1;i<=maxnum;i++) {
	if( (imgUrl[i]!="") && (imgLink[i]!="") ) {
		j++;
	} else {
		break;
	}
}

function playTran(){
	if (document.all)
		imgInit.filters.revealTrans.play();
}

var key=0;
function nextAd(){
	if(adNum<j)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=23;
		imgInit.filters.revealTrans.apply();
        playTran();

	}
	document.images.imgInit.src=imgUrl[adNum];
	document.getElementById('picNewsTitle').innerHTML=imgTz[adNum]; 
	theTimer=setTimeout("nextAd()", 5000); //ÉèÖÃʱ¼ä²î
}

function goUrl(){
	jumpUrl=imgLink[adNum];
	jumpTarget='_blank';
	if (jumpUrl != ''){
		if (jumpTarget != '') 
			window.open(jumpUrl,jumpTarget);
		else
			location.href=jumpUrl;
	}
}