aui les dejo el codigo
Código PHP :
<!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>Documento sin título</title>
<link href="estilo.css" rel="stylesheet" type="text/css" />
<script language="javascript" src="stuHover.js"></script>
</head>
<body>
<table width="826" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<th colspan="2" class="encabezado" scope="col"> </th>
</tr>
<tr>
<td valign="top" class="fondo_menu">
<div><img src="images/dcr_04.jpg" width="195" height="178" border="0px" /></div>
<div class="menu_arriba"></div>
<ul id="nav">
<?php
include("conec.php");
$sql="SELECT * FROM menus where publicar=1 ORDER BY orden";
$consulta=mysql_query($sql,$link);
while ($menu=mysql_fetch_array($consulta)){
?>
<li>
<a href="#"> <?php echo $menu[2]; ?></a>
<ul><?php
$id_menu=$menu[0];
$sql_1="select * from articulos where id_menu='$id_menu' and publicar=1 order by orden";
$consulta_1=mysql_query($sql_1,$link);
while ($articulo=mysql_fetch_array($consulta_1)){
$id_articulo=$articulo[0];
$contenido=$articulo[5];
?>
<li><a <?php echo "href='index.php?articulo=$id_articulo'"?>>
<?php
echo $articulo[2];
?>
</a></li><?php
}
mysql_free_result($consulta_1);
?></ul>
</li>
<?php
}
mysql_free_result($consulta);
?>
</ul>
<div class="pie_menu"></div>
</td>
<td rowspan="2" valign="top" class="fondo_cont">
<div class="part01_2"></div>
<div class="contenido">
<?php
include("conec.php");
if ($_GET){
$articulo=$_GET["articulo"];
$sql_2="select titulo_articulo,contenido from articulos where id_articulo=$articulo";
$consulta_2=mysql_query($sql_2,$link);
while ($contenido=mysql_fetch_array($consulta_2)){
$titulo=$contenido[0];
echo "<h3>".$titulo."</h3>";
$texto=$contenido[1];
echo $texto;
}
mysql_free_result($consulta_2);
mysql_close($link);
}
else {
echo "<script>window.location.href('index.php?articulo=41')</script>";-------> no Funciona
}
?>
</div> </td>
</tr>
<tr>
<td valign="top" class="fondo_menu">
</td>
</tr>
<tr>
<td class="menu_inf01"></td>
<td class="menu_inf02"></td>
</tr>
<tr>
<td colspan="2" align="center" valign="middle" bgcolor="#FFFFFF">bla blabla jejejejje</td>
</tr>
</table>
</body>
</html> 
