firefox probime?

theres this site (i own) and when ever i make updates to it fire fox dosent show them, but when i load the site with ie the updates show, the changes only come up in fire fox after i load the site with ie. so how can i fix this?NOTE: its a linux server and im running the lates ff

press ctrl + f5 for a forced refresh

dident fix heres a copy of my web code if its a problim with that

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="Generator" content="Serif WebPlus 11.0">
<title>games</title>
<style type="text/css">
<!--
body {margin: 0px; padding: 0px;}
a:link {color: #2c3651;}
a:visited {color: #1f5b8b;}
a:hover {color: #2c3651;}
a:active {color: #2c3651;}
.Normal-P
        {
        margin:0.0px 0.0px 0.0px 0.0px; text-align:left; font-weight:400; 
        }
.Normal-P0
        {
        margin:0.0px 0.0px 0.0px 0.0px; text-align:center; font-weight:400; 
        }
.Normal-C
        {
        font-family:"Emulogic", serif; font-size:12.0px; line-height:1.33em; 
        }
.Normal-C0
        {
        font-family:"Verdana", sans-serif; font-size:12.0px; 
        line-height:1.17em; 
        }
.Normal-C1
        {
        font-family:"Verdana", sans-serif; font-size:16.0px; 
        line-height:1.13em; 
        }
.Normal-C2
        {
        font-family:"Emulogic", serif; font-size:16.0px; line-height:1.31em; 
        }
.Normal-C3
        {
        font-family:"Emulogic", serif; font-size:21.0px; line-height:1.33em; 
        }
-->
</style>
<script type="text/javascript"><!--
var blankSrc = "wpscripts/blank.gif";
--></script>
<script src="wpscripts/jspngfix.js" type="text/javascript"></script>
</head>

<body text="#000000" style="background: #ffffff; text-align:center; height:1000px;">
<div style="background: transparent; position:relative;width:750px;height:1000px;margin-left:auto;margin-right:auto;">
<div style="position:absolute; left:0px; top:16px; width:742px; height:122px;">
    <map id="map0" name="map0">
        <area shape="poly" coords="74,119,98,119,98,89,11,89,11,119,26,119,26,110,74,110,74,119,26,119,26,122,74,122" href="index.html" alt="">
    </map>
    <img src="wpimages/wpf4fc384e.png" width="742" height="122" border="0" id="tg_2" name="tg_2" title="" alt="" onload="OnLoadPngFix()" usemap="#map0"></div>
<div style="position:absolute; left:643px; top:865px; width:80px; height:30px;">
    <script type="text/javascript">document.write('<iframe id="webresource_6" name="webresource_6" src="http://www.serifwebresources.com/control.php?lang=en&uid=4e85d5d45bf95758c9345e9eaeceb6ae0fe5e7b3&swr_base=' + location.href + '" allowtransparency="true" style="width:80px; height:30px;" frameborder="0"><\/iframe>');</script>
    <noscript>This web page requires a JavaScript enabled browser.</noscript>
</div>
<div style="position:absolute; left:117px; top:112px; width:80px; height:16px;">
    <div class="Normal-P">
        <span class="Normal-C">games</span><span class="Normal-C0"></span></div>
</div>
<div style="position:absolute; left:148px; top:236px; width:407px; height:99px;">
    <img src="wpimages/wp6ad63278.png" width="407" height="99" border="0" id="qs_82" name="qs_82" title="" alt="" onload="OnLoadPngFix()"></div>
<div id="txt_1_C01" style="position:absolute; left:156px; top:183px; width:397px; height:34px;">
    <div class="Normal-P">
        <span class="Normal-C1">                          </span><span class="Normal-C2">games</span><span class="Normal-C3"></span></div>
</div>
<div id="txt_2_C01" style="position:absolute; left:168px; top:246px; width:369px; height:85px;">
    <div class="Normal-P0">
        <span class="Normal-C1">Welcome to the game database. Freeware games are here. if you interested in your game being here PM me in the forum. 
</span>
        <span class="Normal-C1">For warez see the forum</span></div>
</div>
<div style="position:absolute; left:143px; top:362px; width:110px; height:36px;">
    <map id="map1" name="map1">
        <area shape="rect" coords="98,0,111,25" href="page3.html" alt="">
        <area shape="rect" coords="0,0,5,25" href="page3.html" alt="">
        <area shape="rect" coords="4,0,99,37" href="page3.html" alt="">
    </map>
    <img src="wpimages/wp6ab45ef3.png" width="110" height="36" border="0" id="art_3" name="art_3" title="" alt="Demos&#10;" onload="OnLoadPngFix()" usemap="#map1"></div>
</div>
</body>
</html>

well the "" at the start is the only abnormality that jumps out at me...

he's missing some header info as well

Erm... it also looks like his CSS is in comment tags 0.o, or am I just seeing things because I lack caffeine today...

Replying to #6

no, it is commented out.