var imgUrl=new Array();
var imgLink=new Array();
var imgTitle=new Array();
var adNum=0;

imgLink[1]='js_file/1.jpg';
imgUrl[1]='js_file/1.jpg';
imgTitle[1]='2006年第1期';

imgLink[2]='js_file/2.jpg';
imgUrl[2]='js_file/2.jpg';
imgTitle[2]='2006年第2期';

var imgPre=new Array();
var j=0;
for (i=1;i<=2;i++) {
	if( (imgUrl[i]!="") && (imgLink[i]!="") ) {
		j++;
	} else {
		break;
	}
}

var preloadedimages=new Array();
for (i=1;i<j;i++){
	preloadedimages[i]=new Image();
	preloadedimages[i].src=imgUrl[i];
}

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

function setTransition(){
if (document.all){
	document.getElementById("imgInit").filters.revealTrans.Transition=Math.floor(Math.random()*23);
	document.getElementById("imgInit").filters.revealTrans.apply();
}
}

var key=0;
function nextAd(){
	if(adNum<j)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		setTransition();
		playTran();
	}
	
	document.images.imgInit.src=imgUrl[adNum];
	theTimer=setTimeout("nextAd()", 5000);
	window.td_newstitle.innerHTML = "<a href='javascript:goUrl()'>" +imgTitle[adNum]+ "</a>";
}


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



document.write("<IMG title='点击查看大图' align=left style='FILTER: revealTrans(duration=2,transition=20); CURSOR: hand; TD: ' width=159 height=87 onclick='javascript:goUrl()' src='javascript:nextAd()' vspace='1' border='0' name='imgInit' ID='imgInit' cellPadding='0'>");