this displays the same for me in IE & FFnote: i have combined the css & html into one documenti would also suggest adding a doctype and working through the code so it validates properly but as it is it should display properly now
<html><head><title>NTugo</title><style type="text/css">#body {text-align: center;}h1,h2,h3 {color: #449f00;font-family: Verdana;font-weight: bold;}h1 {font-size: 23px;}#navigation {text-align: center;float: left; /*Set to "left" or "right" to position menu accordingly*/border-bottom: 1px solid #449805;width: 980px;margin-bottom: 10px;}#navigation ul { font-family: Verdana; font-size: 12px; font-weight: bold; text-decoration: none; margin: 0; padding: 0; list-style:none; }#navigation li { display: inline; background: url(http://www.ntugo.com/lib/images/greenbg.gif) repeat-x center top; text-align: center; padding: 0; margin-right: 4px; float: left;}#navigation a { color: #663300; background: url(http://www.ntugo.com/lib/images/greenleft.gif) no-repeat left top; float: left; margin: 0; padding-left:7px; text-decoration: none;}#navigation a:hover { color: black; background: url(http://www.ntugo.com/lib/images/greenleft.gif) no-repeat left top; float: left; margin: 0; padding-left:7px; text-decoration: none;}#navigation a span { background: url(http://www.ntugo.com/lib/images/greenright.gif) no-repeat right top; display: block; padding:7px 13px 4px 5px;}#navigation a span { float: none;}#dropmenudiv{position:absolute;border:1px solid black;border-bottom-width: 0;font:normal 12px Verdana;line-height:18px;z-index:100;}#dropmenudiv a{width: 100%;display: block;text-indent: 3px;border-bottom: 1px solid black;padding: 1px 0;text-decoration: none;font-weight: bold;color: black;}#dropmenudiv a:hover{ /*hover background color*/background-color: #e8f9af;color: black;}a:link {font: bold 13px arial; color: #449805; text-decoration: none;}a:active {font: bold 13px arial; color: #449805; text-decoration: none;}a:visited {font: bold 13px arial; color: #449805; text-decoration: none;}a:hover {font: bold 13px arial; color: #449805; text-decoration: underline;}#leftcolumn {border-right: 1px solid black;}.box {margin: 2px; padding: 2px; border: 1px solid #449805; color: black; background-color: #f5f5f5;}.notopmargin {margin-top: 0px;}div.bubble {font-size: 0.75em;margin-bottom: 24px;}div.bubble blockquote {margin: 0px;padding: 0px;border: 1px solid #c9c2c1;background-color: #feffbf;}div.bubble blockquote p {margin: 10px;padding: 0px;}div.bubble cite {position: relative;margin: 0px;padding: 7px 0px 0px 15px;top: 6px;background: transparent url(http://www.ntugo.com/lib/wordbubbletip.gif) no-repeat 20px 0;font-style: normal;}#wrapper {width: 980px;margin: 0 auto;text-align: left;border-bottom: 1px solid #449805;}.headerbar {background-color: #428D0A;color: white;font-family: Verdana;font-weight: bold;font-size: 13px;padding: 3px;}</style><link rel="shortcut icon" href="http://www.ntugo.com/lib/images/favicon.ico" /><script type="text/javascript">//Contents for menu 1var menu1=new Array()menu1[0]='<a href="#">Link</a>'menu1[1]='<a href="#">Link</a>'menu1[2]='<a href="#">Link</a>'menu1[3]='<a href="#">Link</a>'//Contents for menu 2, and so onvar menu2=new Array()menu2[0]='<a href="#">Link</a>'menu2[1]='<a href="#">Link</a>'menu2[2]='<a href="#">Link</a>'//Contents for menu 'blogs'var blogs=new Array()blogs[0]='<a href="http://blogs.ntugo.com/">[All]</a>'blogs[1]='<a href="http://blogs.ntugo.com/ntugo/">NTugo</a>'blogs[2]='<a href="http://blogs.ntugo.com/computers/">Computers/Internet</a>'blogs[3]='<a href="http://blogs.ntugo.com/books/">Books</a>'blogs[4]='<a href="http://blogs.ntugo.com/movies/">Movies</a>'blogs[5]='<a href="http://blogs.ntugo.com/gaming/">Gaming (PC/Mac/Console)</a>'//Contents for menu 'Other'var other=new Array()//other[0]='<a href="#">RSS Reader</a>'//other[1]='<a href="#">Bookmark Manager</a>'//other[2]='<a href="#">Web Directory</a>'//other[3]='<a href="#">URL Shortener</a>'//other[4]='<a href="#">Aye</a>'other[5]='<a href="#">NTugo Network</a>'</script><script src="http://www.ntugo.com/lib/scripts.js" type="text/javascript"></script><script src="http://www.ntugo.com/lib/scriptaculous/prototype.js" type="text/javascript"></script><script src="http://www.ntugo.com/lib/scriptaculous/scriptaculous.js" type="text/javascript"></script></head><body> <div style="position: absolute; right: 10px;"> <a href="#" onClick="new Effect.Appear('login_dialog')">Login</a> | <a href=register.php>Register</a></div><div id="wrapper"><a href="http://www.ntugo.com"><img src="http://www.ntugo.com/lib/images/logo.gif" border="0"></a><div id="navigation"> <ul> <li><a href="http://www.ntugo.com/"><span>Home</span></a></li> <li><a href="http://www.ntugo.com/mail/"><span>Mail</span></a></li> <li><a href="http://www.ntugo.com/"><span>Portal</span></a></li> <li><a href="http://aye.ntugo.com/"><span>Aye</span></a></li> <li><a href="sitemap.php" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, blogs, '170px')" onMouseout="delayhidemenu()"><span>Blogs+</span></a></li> <li><a href="sitemap.php" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, other, '155px')" onMouseout="delayhidemenu()"><span>Other+</span></a></li> </ul></div><div style="clear: both;"></div>[Main Content]</div>©2007 NTugo, all rights reserved.<div id="login_dialog" style="width:350; height:150; background-color:#bfbfbf; position: absolute; top: 50px; right: 60px; border: 2px solid #449f00; padding: 5px; display: none;"><a href="#" style="position: absolute; right: 5px;" onClick="new Effect.Fade('login_dialog')">Close</a><h3 style="margin-top: 0px;">Login</h3></div><script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script><script type="text/javascript">_uacct = "UA-735643-3";urchinTracker();</script></body></html>