响应鼠标的渐变式图片渐隐渐显效果

　　JavaScript实现响应鼠标的渐变式图片渐隐渐现效果，也就是说图片默认是渐隐状态，当我们把鼠标放在图片上时，图片就亮了，也就是渐显效果，如果你还是不明白，自己看代码吧。

　　示例：

<title>图片渐隐渐现</title> <SCRIPT language=JavaScript> <!-- nereidFadeObjects = new Object(); nereidFadeTimers = new Object(); function nereidFade(object, destOp, rate, delta){ if (!document.all) return if (object != "[object]"){ setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0); return; } clearTimeout(nereidFadeTimers[object.sourceIndex]); diff = destOp-object.filters.alpha.opacity; direction = 1; if (object.filters.alpha.opacity > destOp){ direction = -1; } delta=Math.min(direction*diff,delta); object.filters.alpha.opacity+=direction*delta; if (object.filters.alpha.opacity != destOp){ nereidFadeObjects[object.sourceIndex]=object; nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate); } } //--> </SCRIPT> <img src="/uploads/common/images/p1.jpg" width=200 height="130" border=0 style="BORDER-RIGHT: #ff6600 1px solid; BORDER-TOP: #ff6600 1px solid; FILTER: alpha(opacity=55); BORDER-LEFT: #ff6600 1px solid; CURSOR: hand; BORDER-BOTTOM: #ff6600 1px solid" onmouseover=nereidFade(this,100,10,5) onmouseout=nereidFade(this,50,10,5)><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提示：可修改后代码再运行!

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