用选项卡控制DIV层切换改变背景颜色_页面背景特效

用选项卡控制DIV层的切换从页适时改变网页指定区域的背景颜色，并利用CSS的滤镜将背景颜色填充为渐变色，从这个实例我们可以学到不少东西哦。

<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>层切换</title>
<style> 
#red{
  display:block;
  float:left;
  position:absolute;
  width:336px;
  height:336px;
  background-color:#ff0000;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=white,endColorStr=deeppink);
}
#green{
  display:none;
  float:left;
  position:absolute;
  width:336px;
  height:336px;
  background-color:#00ff00;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=white,endColorStr=green);
}
#blue{
  display:none;
  float:left;
  position:absolute;
  width:336px;
  height:336px;
  background-color:#0000ff;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=skyblue,endColorStr=darkblue);
}
#switch{
  position:absolute;
  top:336px;
  width:336px;
  height:30px;
  background-color:#003399;
}
#switch a.tabs{
  float:left;
  color:#ffffff;
  height:28px;
  width:100px;
  margin:0;
  padding:8px 0 0 14px;
  font-size:12px;
  cursor:pointer;
  text-decoration:none;text-align:center;  
}
#switch a.tabs:hover{
  color:#ffff00;
  background-color:#666666;
  text-decoration:none;
}
body{filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=white,endColorStr=orange);}
</style>
<script language="javascript"> 
function switchbox(i)
{
 selectbox(i);
}
function selectbox(i)
{
 switch(i)
 {
 case 1:
 document.getElementById("red").style.display="block";
 document.getElementById("green").style.display="none";
 document.getElementById("blue").style.display="none";
 break;
 case 2:
 document.getElementById("red").style.display="none";
 document.getElementById("green").style.display="block";
 document.getElementById("blue").style.display="none";
 break;
 case 3:
 document.getElementById("red").style.display="none";
 document.getElementById("green").style.display="none";
 document.getElementById("blue").style.display="block";
 break;
 }
}
</script>
</head>
<body>
<div style="position:absolute;top:19px;left:320px;">
<div id="mrc">
<div id="red"></div>
<div id="green"></div>
<div id="blue"></div>
</div>
<div id="switch"><a class="tabs" id="red-tab" href="javascript:switchbox(1);">红色</a><a class="tabs" id="green-tab" href="javascript:switchbox(2);">绿色</a><a class="tabs" id="blue-tab" href="javascript:switchbox(3);">蓝色</a></div></div>
</body>
</html>

所属频道：页面背景特效/更新时间：2012-12-04

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用选项卡控制DIV层切换改变背景颜色_页面背景特效

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