日期:2014-05-16  浏览次数:20385 次

js切换div问题
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title></title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

/*具体模块放在这个大div里*/
#contentmenu1{
width:100%;
clear:both;
height:800px;
}

/*具体模块div
  由上下两块div构成
  上面的div又左面 右边 三块拼成圆角图片
  下面div主要放置内容
*/


/*具体模块div*/
.content{
width:30%;
height:190px;
float:left;
margin-left:2%;
margin-top:10px;

}
/*具体模块div上部分*/
.content-top{
width:100.5%;
height:24px;
float:left;
}
/*具体模块div上部分左*/
.content-top-left{
width:1%;
height:24px;
float:left;
background-image: url(images/module_head_bg_left.png);
background-position:left;
}

/*具体模块div上部分右*/
.content-top-right{
width:99%;
height:24px;
background-image: url(images/module_head_bg_right.png);
float:left;
background-position:right;
}

/*具体模块div下部分*/
.content-bottom{
width:100%;
height:150px;
float:left;
border:solid 1px #83ACCF;
}


/*第二块div*/
#contentmenu2{
width:100%;
border:solid 1px;
height:800px;
float:left;

}

/*第三块div*/
#contentmenu3{
width:100%;
border:solid 1px;
height:800px;
float:left;
display:none;
}

/*第四块div*/
#contentmenu4{
width:100%;
border:solid 1px;
height:800px;
float:left;
display:none;
}








</style>
  <script type="text/javascript">
  function changeBody(index){
  switch(index){
  case 1:{
  document.getElementById('contentmenu1').style.display = "";
  document.getElementById('contentmenu2').style.display = "none";
  document.getElementById('contentmenu3').style.display = "none";
  document.getElementById('contentmenu4').style.display = "none";
  break;
  }
  case 2:{
  alert('aaaaaa');
  document.getElementById('contentmenu2').style.display = "block";
  document.getElementById('contentmenu1').style.display = "none";
  document.getElementById('contentmenu3').style.display = "none";
  document.getElementById('contentmenu4').style.display = "none";
  break;
  }
  case 3:{
  document.getElementById('contentmenu1').style.display = "none";
  document.getElementById('contentmenu2').style.display = "none";
  document.getElementById('contentmenu3').style.display = "";
  document.getElementById('contentmenu4').style.display = "none";
  break;
  }
  case 4:{
  document.getElementById('contentmenu1').style.display = "none";
  document.getElementById('contentmenu2').style.display = "none";
  document.getElementById('contentmenu3').style.display = "none";
  document.getElementById('contentmenu4').style.display = "";
  break;
 
 
 
  }
  }
}
 
 
 
 
 
 
  </script>
</head>

<body>
  <div id="wra