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图片渐渐显隐

    图片渐渐显示、隐没(注意更改图片picture.jpg的路径)

　　<img src="http://www.baifan.net/~baifan/wytx/picture.jpg" name="u" border="1" style="filter:alpha(opacity=0)"> <script language="JavaScript"> var b = 1; var c = true; function baifan_net(){ if(document.all); if(c == true) { b++; } if(b==100) { b--; c = false } if(b==10) { b++; c = true; } if(c == false) { b--; } u.filters.alpha.opacity=0 + b; setTimeout("baifan_net()",50); } baifan_net(); </script>