Bien, je viens de faire du menage dans le code, et j'ai toujours le meme probleme.
Je ne parviens pas à voir d'ou ça viens.
Voici le code:
Index.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=utf-8" />
<link rel="stylesheet" media="screen" type="text/css"  href="./css/header.css" />
<link rel="stylesheet" media="screen" type="text/css"  href="./css/body.css" />
<link rel="stylesheet" media="screen" type="text/css"  href="./css/footer.css" />
<title>NV-Systems</title>
</head>
<body>
<?php 
include "./pages/header.php";
include "./pages/body.php";
include "./pages/footer.php";
?>
</body>
</html>
header.php:
<!-- Header Section -->
<div id="Banner"></div>
<div id="Logo"></div>
<div id="MenuBar" class="MenuBarFX">
  <ul>
		<li><a href=#>Home</a></li>
		<li><a href=#>Technologies</a>
		  <ul>
				<li><a href=#>Paladin OS</a></li>
				<li><a href=#>Paladin Servers</a></li>
				<li><a href=#>Paladin Eyes</a></li>
			</ul>
		</li>
        
		<li><a href=#>Support</a>
		  <ul>
				<li><a href=#>Online Technical Support</a></li>
				<li><a href=#>Documentations</a></li>
				<li><a href=#>Order a licence</a></li>
				<li><a href=#>Ask a question</a></li>
			</ul>
		</li>
        	
		<li><a href=#>Communities</a>
		  <ul>
				<li><a href=#>Forums</a></li>
				<li><a href=#>Cool Stuff</a></li>
				<li><a href=#>Make a suggestion</a></li>
			</ul>
		</li>
        	
		<li><a href=#>Contact</a></li>
  </ul>
</div>
Body.php:
<!-- Body Main Page Section -->
<div id="globalbody">
	<div id="leftarrow"></div>
	<div id="rightarrow"></div>
    <div id="news">
    	<div id="imgthumbs"><img src="/prod/contents/Images/test-ok.png" /></div>
        <div id="txtarea"><?php include('/prod/contents/txt/introduction.php'); ?></div>
    </div>
</div>
footer.php:
<!-- Footer Section -->
<div id="globalfooter">
	<div id="contentfooter"></div>
</div>
--------------------------------
Maintenant les css correspondant:
header.css:
@charset "utf-8";
body {
	background-image:url(../images/NVS_Background.png);
	background-color:#ffffff;
	background-position:top;
	background-repeat:repeat-x;
}
/* CSS Header parts */
div#Banner {
	min-width:640px;
	width:100%;
	height:96px;
	top:0px;
	left:0px;
	background-color:#303338;
	background-position:top;
	background-repeat:repeat-x;
	position:absolute;
	z-index:0;
}
div#Logo {
	width:512px;
	height:61px;
	top:8px;
	left:8px;
	background-image:url(../images/NVS_Logo2.png);
	background-position:top;
	background-position:left;
	background-repeat:no-repeat;
	position:absolute;
	z-index:10;
}
div#MenuBar {
	background-color:#42464d;
	background-repeat:repeat-x;
	min-width:640px;
	width:100%;
	height:24px;
	top:72px;
	left:0px;
	position:absolute;
	z-index:2;
}
/* Header Menu Bar Special Effects */
.MenuBarFX {
	text-align:center;
	text-decoration:none;
	font-weight:normal;
	font-family:Arial;
	font-size:14px;
	color:#e5e5e5;
}
.MenuBarFX ul { /*Parametrage des style de puces, ici masquer les puces + Parametrage du bandeau principal*/
	margin:0px;
	padding:0px;
	width:auto;
	position:relative;
	list-style-type:none;
	text-align:left;
 }
 
.MenuBarFX li:hover {
	line-height:24px;
	width:auto;
	color:#4289ff;
	background-color:#585c62;
}
 
.MenuBarFX ul li { /*Parametrage des sous menu*/
	line-height:24px;
	width:auto;
	float:left;
	padding:0px;
	margin-left:4px;
	margin-right:4px;
	color:#e5e5e5;
}
.MenuBarFX ul li a { /*Parametrage des sous menu hyperlien*/
	margin-left:4px;
	margin-right:4px;
	padding:0px;
	line-height:24px;
	display:block;
	text-decoration:none;
	color:#e5e5e5;
}
.MenuBarFX ul li a:hover { /*Parametrage des sous menu hyperlien souris survol*/
	line-height:24px;
	width:auto;
	color:#4289ff;
	background-color:#585c62;
}
.MenuBarFX ul li ul { /*Masquage des sous menu*/
	display:none;
}
.MenuBarFX ul li ul {
	position:absolute;
	width:auto;
	float:none;
	border:0px;
	background-color:#585c62/*#42464d*/;
}
.MenuBarFX ul li:hover ul{
	display:block;
	width:auto;
	float:none;
	margin:0px;
	padding:0px;
	color:#4289ff;
}
.MenuBarFX ul li a:hover ul{
	display:block;
	width:auto;
}
.MenuBarFX ul li ul li{
	display:block;
	float:none;
}
.MenuBarFX ul li ul li a{
	line-height:18px;
	display:block;
	float:none;
	width:auto;
	margin-right:2px;
	padding:0px;
	color:#e5e5e5;
	font-size:12px;
	font-weight:normal;
}
.MenuBarFX ul li ul li a:hover{
	line-height:18px;
	display:block;
	float:none;
	width:auto;
	margin-right:2px;
	padding:0px;
	color:#4289ff;
	font-size:12px;
	font-weight:normal;
}
body.css:
@charset "utf-8";
div#globalbody {
	width:100%;
	bottom:96px;
	top:128px;
	left:0px;
	background-color:#303338;
	background-position:top;
	background-repeat:repeat-x;
	position:absolute;
	z-index:0;
}
div#news {
	top:0px;
	height:100%;
	width:100%;
	background-color:#303338;
	background-position:top;
	background-repeat:repeat-x;
	overflow:hidden;
}
div#leftarrow {
	width:16px;
	height:100%;
	background-color:#4289ff;
	left:0px;
	top:0px;
	float:left;
	position:absolute;
}
div#rightarrow {
	float:right;
	top:0px;
	right:0px;
	background-color:#4289ff;
	position:absolute;
	color:#FFF;
	width:16px;
	height:100%;
}
div#imgthumbs {
	height:128px;
	width:128px;
	margin-left:24px;
	margin-top:8px;
	float:left;
	overflow:hidden;
}
div#txtarea {
	top:8px;
	height:100%;
	margin-top:8px;
	margin-right:24px;
	overflow:hidden;
	color:#FFFFFF;
	font-family:Arial;
}
footer.css:
@charset "utf-8";
/* CSS Footer */
html, body {
	height:100%;
	width:100%;
}
div#globalfooter {
	min-height:100%;
	min-width:100%;
	position:relative;
}
div#contentfooter {
	width:100%;
	bottom:10px;
	height:64px;
	overflow:hidden;
	position:absolute;
	background-image:url(../images/NVS_Footer.png);
	background-color:#000000;
	background-position:top;
	background-repeat:repeat-x;
}
Je suis désolé c'est tres long mais je voulais vous donner le code complet pour eviter de louper une erreur dans le code.
Merci d'avance pour votre aide.  
  Modifié par DR I (02 Jun 2010 - 11:50)