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相信大家都能看得懂的表格颜色渐变效果，而且带有缓冲效果，像FLASH动画一样平滑，这里你只需设定背景颜色就可以达到渐变的效果，其它的交给了Javascript去处理。现在如果你看到有些导航菜单使用这种效果的时候，你就不会再感到吃惊了，原来是如此的简单。
<HTML> <HEAD> <TITLE>表格颜色渐变</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> </HEAD> <BODY text=#000000 bgColor=#ffffff leftMargin=0 topMargin=0 marginheight="0" marginwidth="0"> <TABLE height="100%" cellSpacing=0 cellPadding=0 width="100%" border=0> <TBODY> <TR> <TD align=middle> <TABLE borderColor=#ffffff height=100 cellSpacing=1 cellPadding=1 width=100 align=center bgColor=#000033 border=1> <TBODY> <TR align=middle> <TD onmouseover=nereidFade(this,100,10,5) style="FILTER: alpha(opacity=70)" onmouseout=nereidFade(this,50,10,5) bgColor=#00ccff><FONT face=verdana color=#ffffff size=1>dio</FONT></TD> <TD onmouseover=nereidFade(this,100,10,5) style="FILTER: alpha(opacity=70)" onmouseout=nereidFade(this,50,10,5) bgColor=#ff9900><FONT face=verdana color=#ffffff size=1>pex</FONT></TD></TR> <TR align=middle> <TD onmouseover=nereidFade(this,100,10,5) style="FILTER: alpha(opacity=70)" onmouseout=nereidFade(this,50,10,5) bgColor=#ff3399><FONT face=verdana color=#ffffff size=1>pex</FONT></TD> <TD onmouseover=nereidFade(this,100,10,5) style="FILTER: alpha(opacity=70)" onmouseout=nereidFade(this,50,10,5) bgColor=#33ff66><FONT face=verdana color=#ffffff size=1>dio</FONT></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE> </BODY> </HTML>