请教高手一个问题，我想做一个左右框架来回伸缩的效果，在网上找了这段代码，大家看一下，中间部分是一个小箭头，这样做可以实现那种效果，但我想把这个小箭头改成自己制作的小图片，不知道改如何去修改这部分代码，还请高手指点下！谢谢！
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[此贴子已经被作者于2007-3-8 9:52:17编辑过]
