使用ASP.NET AJAX实现幻灯片效果

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    },
    
    get_IsPaused:function()
    {
        return this._pause;
    },
    
    set_IsPaused:function(value)
    {
        this.pause=value;
    },
    
    Pause:function()
    {
        this._pause=true;
    },
    
    Play:function()
    {
        this._pause=false;
        window.setTimeout("slideshow.ShowImage()",
    this.get_Delay());
    },
    
    ShowFirst:function()
    {
        this._currentIndex=0;
        this.ShowImage();
    },
    
    ShowLast:function()
    {
        this._currentIndex=this._slides.length-1;
        this.ShowImage();
    },
    
    ShowNext:function()
    {
        var newIndex=this._currentIndex +1;
        this.set_CurrentIndex(newIndex);
        this.ShowImage();
    },
    
    ShowPrevious:function()
    {
        var newIndex=this._currentIndex -1;
        this.set_CurrentIndex(newIndex);
        this.ShowImage();
    },
    
    ShowImage:function()
    {
        var img=$get("Image1");
    if(img.style.visibility=="hidden") 
    { 
    img.style.visibility="visible"; 
    } 
        var slides=this.get_Slides();
        var curIndex=this.get_CurrentIndex();
        img.src=slides[curIndex];
        if(this.get_IsPaused()==false)
        {
            this.set_CurrentIndex(curIndex+1);
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