Copy the code code as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<meta http-equiv=content-type content="text/html; charset=utf-8" />
<link href="css/admin.css" type="text/css" rel="stylesheet" />
<script language=javascript>
function expand(el)//passes the id, 1,2,3 are used to distinguish the category it belongs to
{
childobj = document.getElementById("child" + el);//child1,child2....
if (childobj.style.display == 'none')//If this element is none, it will not be displayed
{
childobj.style.display = 'block';//If it is block. will be displayed as a block-level element
}
else
{
childobj.style.display = 'none';//When clicked again, it will be hidden again
}
return;
}
</script>
</head>
<body>
<table cellspacing=0 cellpadding=0 width=170
background=./img/menu_bg.jpg border=0>
<tr>
<td valign=top align=middle>
<table cellspacing=0 cellpadding=0 border=0>
<tr>
<td height=10></td>
</tr>
</table>
<table cellspacing=0 cellpadding=0 width=150 border=0>
<tr height=22>
<td style="padding-left: 30px" background=./img/menu_bt.jpg>
<a class=menuparent onclick=expand(1) href="javascript:void(0);">Personnel management</a></td></tr>
<tr height=4>
<td></td></tr></table>
<table id=child1 style="display: none" cellspacing=0 cellpadding=0
width=150 border=0>
<tr height=20>
<td align=middle width=30><img height=9
src="./img/menu_icon.gif" width=9></td>
<td><a class=menuchild
href="memberadd.jsp"
target=right>Increase of staff</a></td></tr>
<tr height=20>
<td align=middle width=30><img height=9
src="./img/menu_icon.gif" width=9></td>
<td><a class=menuchild
href="#"
target=right>Personnel modification</a></td></tr>
<tr height=20>
<td align=middle width=30><img height=9
src="./img/menu_icon.gif" width=9></td>
<td><a class=menuchild
href="#"
target=right>Personnel deletion</a></td></tr>
<tr height=20>
<td align=middle width=30><img height=9
src="./img/menu_icon.gif" width=9></td>
<td><a class=menuchild
href="#"
target=right>Personnel search</a></td></tr>
<tr height=4>
<td colspan=2></td>
</tr>
</table>
</body>
</html>