function ImageUL(id, count) {
    this.divid = id;
    this.count = count;
    this.c = 0;    
    //播放下一张
    this.playNext = function() 
    {
    //显示当前图片
        for (var i = 0; i < this.count; i++) 
        {
            if(i!=this.c){
                document.getElementById(this.divid + "_" + i).filters.blendTrans.apply();
                document.getElementById(this.divid + "_" + i).style.visibility = "hidden";
                document.getElementById(this.divid + "_" + i).filters.blendTrans.play(); 
                
            }else{
                document.getElementById(this.divid + "_" + i).filters.blendTrans.apply();
                document.getElementById(this.divid + "_" + i).style.visibility = "visible";
                document.getElementById(this.divid + "_" + i).filters.blendTrans.play(); 
            }
        }
        this.c++;
        if (this.c >= this.count) this.c = 0;
        if (this.c < 0) this.c = 0;

    }
    this.playNext();
    setInterval("this.playNext()", 3000);
    
}