jsp js折叠

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script type="text/javascript">
function tree(name, text, js,pos) {
 if (js == "javascript:void(0);") {

  document.write("<div><div style='width:150px'><table><tr><td onclick='bbb(this)'>" + text
    + "</td></tr></table></div>/n");

 } else {
  document.write("<div style='display:none;width:150px'>&nbsp;&nbsp;&nbsp;<table><tr><td><a href='" + js + "'>" + text + "</td></tr></table></a></div>/n");
  if (pos=='0') {
   document.write("</div>");
  }
 }
}

function bbb(obj){
 var a = obj.parentElement.parentElement.parentElement.parentElement.parentElement.getElementsByTagName("div");
 for ( var index = 1; index < a.length; index++) {
  var d = a[index];
  d.style.display = d.style.display == 'none' ? 'block' : 'none';
 }
}

</script>

<body>

        <script type="text/javascript">
     tree('first',"第一层",'javascript:void(0);');
     tree('first',"第1层",'#');
     tree('first',"第2层",'#');
     tree('first',"第3层",'#');
     tree('first',"第4层",'#');
     tree('first',"第5层",'#');
     tree('first',"第6层",'#','0');
     tree('s',"第222层",'javascript:void(0);');
     tree('s',"第1层",'#');
     tree('s',"第2层",'#');
     tree('s',"第3层",'#');
     tree('s',"第4层",'#');
     tree('s',"第5层",'#');
     tree('s',"第6层",'#','0');
    </script>
</body>
</html>

 

 

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