Hilfe! Design +Inhalt plötzlich Weg

<!-- Oben Codes: -->
<div id="Oben"><img border="0" src="http://img.webme.com/pic/b/bloodymx/oben.jpg" alt="" /></a></div>
<div id="Emil"><a href="http://bloodymx.de.tl/
Home.htm"><img border="0" src="http://img.webme.com/pic/b/bloodymx/emilbutton.jpg" alt="" /></a></div>

<div id="Down"><script language="JavaScript"><!--
function changeto(pfad){ziel=pfad.options[pfad.selectedIndex].value;self.location=ziel;}
//-->
</script>
 <select onchange="changeto(this);" name="dropdown">
<option value="#"> Bücher </option>
<option value="http://bloodymx.de.tl/Kapitel1s-.-1.htm"> D.W. </option>

<!-- Oben Codes ende: -->
<div id="Extramenu"><a href="http://bloodymx.de.tl/
Kapitel.htm"><img border="0" src="http://img.webme.com/pic/b/bloodymx/lesenklein.jpg" alt="" /></a></div>

<div id="Hintergrundbild"></div>

-->
</style>
<center>
<style type="text/css">
<!--

td[height="102"] {
position:absolute;
left:50%;
margin-left:-376px; }
/* Nullformatierung für Mozilla und IE */
*{margin:0px; padding:0px; }

/* Hintergrund*/
body {
background-color: #00000;
background-image: url(); }

/* Designbild / Breite und Höhe vom Bild einfügen */
#Hintergrundbild {
position:absolute;
top: 100px;
left: 50%;
margin-left:-485px;
width: 970px;
height: 680px;
background-image:url(http://img.webme.com/pic/b/bloodymx/3versuch.jpg); }



/* Das Textfeld / Seiteninhalt */
#content {
position:absolute;
left:40%;
top: 250px;
margin-left:-313px;
width: 820px;
height:500px;
font-size: 13px;
font-family: arial;
color: #000000;
text-align: left;
border: 0px solid #34FFFF;
overflow: auto; }

li.nav_element {
list-style-type: none;
position: relative;
float:left; }

/* Feld Navigation */
#nav_container {
position: absolute;
left:20%;
top:198px;
margin-left:-60px;
border:0px solid #FFFFFF;}

/* Hintergrund Navi-Buttons */
li.nav_element {
list-style-type: none;
position: relative;
margin-bottom:5px;}

/* Navi-Links */
li.nav_element a {
display: block;
width: 66px;
font-family:Arial;
font-size:20px;
text-decoration: none;
text-align: left;
padding-left:15px;
color:#EEEEEE;
background-color:;
background-image:url();
border: 0px solid #C6BA8A;}

/* Hover-Effekt Navi-Links */
li.nav_element a:hover{
color: #7BC66C;
background-color:#000000;
background-image:url();
border: 0px solid #FFFFFF;}



#nav_Seitentitel {nav_Home
position:absolute;
left:50%;
top:230px;
margin-left: 230px; }

#nav_Seitentitel {nav_Kapitel
position:absolute;
left:50%;
top:350px;
margin-left: 230px; }

#nav_Seitentitel {nav_Test
position:absolute;
left:50%;
top:386px;
margin-left: 230px; }

#Extramenu
{
position:absolute;
top: 142px;
left:45%;
z-index: 5;
}

td[height="102"]{margin-top:34px;position:absolute;left:50%;margin-left:-376px;width: 752px;}


<!-- Oben Codes: -->

#Oben
{
position:absolute;
top: 0px;
left:27%;
z-index: 5;
}

#Emil
{
position:absolute;
top: 0px;
left:30%;
z-index: 6;
}


#Down
{
position:absolute;
top: 5px;
left:37%;
z-index: 6;
}

<!-- Oben Codes ende: -->

<div id="Hintergrundbild"></div>
<div id="Oben"><img border="0" src="http://img.webme.com/pic/b/bloodymx/oben.jpg" alt="" /></a></div>
<div id="Emil"><a href="http://bloodymx.de.tl/Home.htm"><img border="0" src="http://img.webme.com/pic/b/bloodymx/emilbutton.jpg" alt="" /></a></div>
<div id="Extramenu"><a href="http://bloodymx.de.tl/Kapitel.htm"><img border="0" src="http://img.webme.com/pic/b/bloodymx/lesenklein.jpg" alt="" /></a></div>