Okay:
HTML
<!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=iso-8859-1" />
<title>Untitled Document</title>
<link href="stylesheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
<script language="javascript">
function Hover(ID)
{
ID.style.background="red";
ID.innerHTML+="
[url='http://www.google.de']Test[/url]";
}
function Reset(ID, lnkText)
{
ID.style.background="yellow";
ID.innerHTML= lnkText;
}
</script>
<center>
<table align="center">
<tr>
<td>
<div class="div_button" onmouseover="Hover(this)" onmouseout="Reset(this, 'Home')" id="button" align="center" style="z-index:2; position:absolute; top:0px; left:0px;">
Home
</div>
<div class="div_button" onmouseover="Hover(this)" onmouseout="Reset(this, 'Seite 1')" id="button 2" align="center" style="z-index:2; position:absolute; top:0px; left:110px;">
Seite 1
</div>
<div class="div_button" onmouseover="Hover(this)" onmouseout="Reset(this, 'Seite 2')" id="button 3" align="center" style="z-index:2; position:absolute; top:0px; left:220px;">
Seite 2
</div>
<div class="div_button" onmouseover="Hover(this)" onmouseout="Reset(this, 'Seite 3')" id="button 4" align="center" style="z-index:2; position:absolute; top:0px; left:330px;">
Seite 3
</div>
</td>
</tr>
</table>
</center>
</body>
</html>
Danke!