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<head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>层切换</title> <style> #red{ display:block; float:left; position:absolute; width:400px; height:400px; background-color:#ff0000;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=white,endColorStr=deeppink); } #green{ display:none; float:left; position:absolute; width:400px; height:400px; background-color:#00ff00;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=white,endColorStr=green); } #blue{ display:none; float:left; position:absolute; width:400px; height:400px; background-color:#0000ff;filter:progid:DXImageTransform.microsoft.gradient(gradienttype=1,startColorStr=skyblue,endColorStr=darkblue); } #switch{ position:absolute; top:400px; width:400px; height:30px; background-color:#000000; } #switch a.tabs{ float:left; color:#ffffff; height:28px; width:133px; 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="content"> <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>查看演示