Validator-Ergebnis erläutern

[Zeromancer]

Hallo,

ich habe eine Beispielseite validieren lassen. Der Validator meckert. Was habe ich falsch gemacht? Ich bin der englischen Fachsprache leider nicht so mächtig.

Vielen Dank für Tipps.

<schnipp>

Below are the results of attempting to parse this document with an SGML parser.

Line 22, column 79: ID "LINKS" already defined (explain...).
  ...dth="65" height="83" alt="Benny" id="links">Benny ist der Jüngste. Er is
                                          ^
Line 21, column 89: ID "LINKS" first defined here (explain...).
  ...70" height="82" alt="Egon Olsen" id="links">Die "Olsenbande hat ihren Namen v
                                          ^
Line 23, column 79: ID "LINKS" already defined (explain...).
  ...dth="65" height="92" alt="Kjeld" id="links">Kjeld passt scheinbar nicht ganz
                                          ^
Line 21, column 89: ID "LINKS" first defined here (explain...).
  ...70" height="82" alt="Egon Olsen" id="links">Die "Olsenbande hat ihren Namen v
                                          ^
Line 31, column 29: there is no attribute "TARGET" (explain...).
   <a href="scs_01.jpg" target="_blank" onclick="ViewImage('scs_01.jpg','400','320
                               ^
Line 38, column 7: ID "CENTER" already defined (explain...).
  <p id="center"><a href="../index.html">«zurück</a></p>
         ^
Line 30, column 8: ID "CENTER" first defined here (explain...).
   <p id="center">

</schnipp>
----------------------
<schnipp>

body {background-color:#fff; color:#000; font-family:sans-serif, serif; margin:0px; padding:0px; text-align:center;}
#olsen {background:url(olsen/olsenpixx/bg_01.gif) no-repeat fixed center;}

#text {width:75%; margin:auto;}
#text p {text-align:left;}

#film {width:75%; border:1px solid #000; margin-top:20px; text-align:center; margin-right:auto; margin-left:auto; padding:10px;}
#film p {text-align:left;}
p#center {text-align:center; font-weight:bold; font-size:small;}

#innen {text-align:left;}

span {text-align:left;}

h1 {background-color:#eeeeee; color:#000000;}

img {border:0px;}
img#links {float:left; margin-right:10px; margin-left:10px;}
img#rechts {float:right; margin-left:10px; margin-right:10px;}

a:link {color:#000;}
a:visited {color:#000;}
a:hover {color:#0000ff;}

</schnipp>

MfG

André