// JScript 文件

//==================
//调用方法：
//showad(图片ID，链接ID，图片数组，链接数组)
//==================

function showad(imgid,linkid,imgArray1,linkArray1){
    var RndNum = imgArray1.length-1;
    var now = new Date();
    var sec = now.getSeconds();
    var adNum= sec % RndNum + 1;
    nextAd(imgid,linkid,imgArray1,linkArray1,adNum,0);
}

function nextAd(imgid,linkid,imgArray1,linkArray1,n,m){
    var adNumber;
    if(Object.prototype.toString.apply(imgArray1) == '[object Array]')
    {
        //imgArray1是数组
        var imgArray=imgArray1;
        var linkArray=linkArray1;
        adNumber=imgArray1.length-1;
    }
    else
    {
        //imgArray1不是数组
       var imgArray=imgArray1.split(",");
       var linkArray=linkArray1.split(",");
       adNumber=imgArray.length-1;
    }
    
	if(n < adNumber) n ++ ;
	else n=1;
	
	if( m == 0 ){
		m = 1;
	} else if (document.all){
		document.getElementById(imgid).filters.revealTrans.Transition=25;
		document.getElementById(imgid).filters.revealTrans.apply();
        if (document.all) document.getElementById(imgid).filters.revealTrans.play();
	}
	document.getElementById(imgid).src=imgArray[n];
	document.getElementById(linkid).href=linkArray[n];
	
	theTimer=setTimeout("nextAd('" + imgid + "','" + linkid + "','" + imgArray + "','" + linkArray + "','" + n + "')", 5000);
}