diff --git a/YACOSWeb/WebContent/WEB-INF/classes/messages.properties b/YACOSWeb/WebContent/WEB-INF/classes/messages.properties
index 5ca8d88..f7a101f 100644
--- a/YACOSWeb/WebContent/WEB-INF/classes/messages.properties
+++ b/YACOSWeb/WebContent/WEB-INF/classes/messages.properties
@@ -246,7 +246,7 @@ evaluation.headPage=Here is a report of the evaluation
 evaluation.titleArticle=The title of article is  
 evaluation.note=The note for the criterion
 evaluation.thisArticle=evaluate this article
-evaluation.choose=Choose a article to evaluate
+evaluation.choose=Choose an article to evaluate
 evaluation.help=Choose an article that you would like to evaluate 
 
 invitation.send=Send an invitation
@@ -273,8 +273,8 @@ delegateArticles.help=Click to an article to delegate it to the referees
 #valider les articles 
 validate.download=download the article
 validate.report=View the result of the evaluation
-validate.validate=validate
-validate.reject=reject
+validate.validate=Validate
+validate.reject=Reject
 
 #report des evaluations
 report.headPage=Here is the list of the evaluation
diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/errors/404error.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/errors/404error.jsp
index 6af924b..0464274 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/errors/404error.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/errors/404error.jsp
@@ -25,7 +25,7 @@
 		<h1>
 	<a href="main.htm">
 
-	<img src="./images/404.jpg" alt="404" /><br/>
+	<img border="0" src="./images/404.jpg" alt="404" /><br/>
 	
 	
 	
diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/evaluation.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/evaluation.jsp
index f04719a..92fd08d 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/evaluation.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/evaluation.jsp
@@ -6,39 +6,44 @@
 
 <h4 class="title"><fmt:message key="evaluation.title"/>: ${evaluationForm.title}</h4>
 
-<form:form method="post" commandName="evaluationForm">
+<form:form method="post" commandName="evaluationForm" id="account_data">
+
+<p class="legend">Rating</p>
+<fieldset>
 
-	<table>
     <c:forEach items="${evaluationForm.simpleRatings}" var="criterion" varStatus="j">
-    
-    <tr>
-        <td>${criterion.name}</td>
-        <form:hidden path="simpleRatings[${j.index}].name"></form:hidden>
-         <td>
-         <c:forEach var="i" begin="${criterion.min_rating}" end="${criterion.max_rating}" step="1">
-          <c:out value="${i}"/>
-          <form:radiobutton path="simpleRatings[${j.index}].value" value="${i}" />
-         </c:forEach>
-         </td>
-	</tr>
+    <div>
+        <form:label path="title">${criterion.name}</form:label>
+		<form:hidden path="simpleRatings[${j.index}].name"></form:hidden>
+		<form:label path="simpleRatings[${j.index}].name"><form:select path="simpleRatings[${j.index}].value">
+        	<c:forEach var="i" begin="${criterion.min_rating}" end="${criterion.max_rating}" step="1">
+          		<form:option value="${i}"></form:option>
+          	</c:forEach>
+		</form:select></form:label> 
+    </div>
+
    </c:forEach>
    
-    <tr>
-    <td><fmt:message key="evaluation.commentAuthor"/></td>
-	<td><form:textarea path="commentAuthor"/></td>
-	</tr>
+</fieldset>
+
+<p class="legend">Commentary</p>   
+<fieldset>   
+    
+    <div>
+    <form:label path="commentAuthor"><fmt:message key="evaluation.commentAuthor"/></form:label>
+	<form:textarea path="commentAuthor" cols="60" rows="10"/>
+	</div>
 	
-	<tr>    
-    <td><fmt:message key="evaluation.commentPCMember"/></td>
-	<td><form:textarea path="commentPCMember"/></td>
-    <tr>
-   </table>
-   
-        
-  
-   <input type="submit" name="submit" value="<fmt:message key="button.OK"/>"/>
+	<div>    
+    <form:label path="commentPCMember"><fmt:message key="evaluation.commentPCMember"/></form:label>
+	<form:textarea path="commentPCMember" cols="60" rows="10"/>
+    </div>
+
+</fieldset>
+
+<input type="submit" name="submit" value="<fmt:message key="button.OK"/>"/>
 
 </form:form>
 
-  </body>
-</html>
+</body>
+</html>
\ No newline at end of file
diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/listEvaluation.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/listEvaluation.jsp
index 2defb95..b7aa859 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/listEvaluation.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/listEvaluation.jsp
@@ -1,4 +1,4 @@
-   <%@ include file="/WEB-INF/decorators/include.jsp"%>
+<%@ include file="/WEB-INF/decorators/include.jsp"%>
 
 <html>
 <head></head>
@@ -12,29 +12,39 @@
 </p>
 
 <c:forEach items="${listArticle}" var="article">
-	<ul class="article">
-		<li class="title">Title: <a href="<c:url value="${article.URL_article}"/>">${article.title}</a></li>
-		<li class="author">Author: <b>${article.mainAuthor.firstName} ${article.mainAuthor.lastName}</b></li>
-		<li class="topic">Topic: <b>${article.topic}</b></li>
-		<c:choose>
-		
-		<c:when test="${article.state eq 'SUBMITED'}">
-		<li class="article_url"><a title="Click to evaluate" href="<c:url value="evaluation.htm?id=${article.id}"/>"><img src="./images/cc-kedit-128x128.png" alt="Click to evaluate" /></a></li>
-        </c:when>
+	<div style="border: 1px solid orange;">
+		<table style="width: 100%">
+			<tr>
+				<td colspan="2" align="center">
+					<a title="Download" href="<c:url value="/download.htm"><c:param name="articleId" value="${article.id}"/></c:url>"><b>${article.title}</b></a> by ${article.mainAuthor.firstName} ${article.mainAuthor.lastName}
+				</td>
+			</tr>
+			<tr>
+				<td align="left">
+					Topic: <b>${article.topic}</b><br/>
+					Abstract: ${article.abstractText}
+				</td>
+				<td align="right">
+					<c:if test="${article.state eq 'SUBMITED'}">
+						<a title="Click to evaluate" href="<c:url value="evaluation.htm?id=${article.id}"/>">Evaluate <img src="./images/button_follow_32x32.png" alt="Click to evaluate" /></a>
+        			</c:if>
         
-        <c:otherwise>
-		<li class="article_url"><a title="Click to modify evaluation" href="<c:url value="evaluation.htm?id=${article.id}"/>"><img src="./images/cc-button_ok-128x128.png" alt="Click to modify evaluation" /></a></li>
-        </c:otherwise>
-        </c:choose>
+        			<c:if test="${article.state eq 'EVALUATED'}">
+						<a title="Click to modify evaluation" href="<c:url value="evaluation.htm?id=${article.id}"/>">Modify the evaluation <img src="./images/cc-kedit-32x32.png" alt="Click to modify evaluation" /></a>
+        			</c:if>
         
+        			<c:if test="${article.state eq 'REJECTED'}">
+						Rejected <img src="./images/cancel32.png" alt="This article has been rejected" />
+        			</c:if>
         
-        	
-	</ul>
-	<br />
-	<hr />
-	<br />
+        			<c:if test="${article.state eq 'ACCEPTED'}">
+						Accepted <img src="./images/ok32.png" alt="This article has been accepted" />
+        			</c:if>
+				</td>
+			</tr>
+		</table>
+	</div>
 </c:forEach>
 
-
 </body>
 </html>
\ No newline at end of file
diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
index cdd27e5..1a8a99d 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
@@ -47,7 +47,7 @@
 		<span class="formError"><form:errors path="theme" /></span>
 	</div>
 	<div>
-		<form:label path="theme"><fmt:message key="form.submission.article.abstractText" /></form:label>
+		<form:label path="abstractText"><fmt:message key="form.submission.article.abstractText" /></form:label>
 		<form:textarea path="abstractText" cols="60" rows="10" />*<br />
 		<span class="abstractText"><form:errors path="theme" /></span>
 	</div>
diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/validateArticle.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/validateArticle.jsp
index ee9cde9..555fce7 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/validateArticle.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/validateArticle.jsp
@@ -2,22 +2,37 @@
 
 <html>
 <head></head>
-<body>
-  <h4 class="title">NO NAME</h4>
-  <br>
+<body>
+<h4 class="title">Validate an article</h4>
+
+<p class="formHelp">
+  	Choose whether you want to validate an article (i.e. the article will take part in the conference) or reject it. 
+</p>
+
 <c:forEach items="${listArticleValidate}" var="article">
-	<ul class="article">
-		<li class="title">TiTle: ${article.title}  </li>
-		<li class="author">Author: ${article.mainAuthor}</li>
-		<li class="topic">Topic: ${article.topic}</li>
-		<li class="state">State: ${article.state} <a href="<c:url value="validateOrReject.htm?value=valide&id=${article.id}"/>"><fmt:message key="validate.validate"/></a>
-	                                             <a href="<c:url value="validateOrReject.htm?value=reject&id=${article.id}"/>"><fmt:message key="validate.reject"/></a> </li> 
-		<li class="article_url"><a href="<c:url value="${article.URL_article}"/>"><fmt:message key="validate.download"/></a> <a href="<c:url value="listReport.htm?id=${article.id}"/>"><fmt:message key="validate.report"/></a></li>
-	
-	   
-	</ul>
+	<div style="border: 1px solid orange;">
+		<table style="width: 100%; text-align: center;">
+		<tr>
+			<td><b>${article.title}</b></td>
+			<td>${article.mainAuthor.firstName} ${article.mainAuthor.lastName}</td>
+		</tr>
+		<tr>
+			<td colspan="2">State: ${article.state}
+			<a href="<c:url value="validateOrReject.htm?value=valide&id=${article.id}"/>">
+			<fmt:message key="validate.validate" /><img	src="./images/ok.png" alt="Validate" /></a> 
+				<a href="<c:url value="validateOrReject.htm?value=reject&id=${article.id}"/>">
+				<fmt:message key="validate.reject" /><img src="./images/cancel.png" alt="Reject" /></a></td>
+		</tr>
+		<tr>
+			<td><a title="Download"	href="<c:url value="/download.htm"><c:param name="articleId" value="${article.id}"/></c:url>">Download<img
+				src="./images/cc-download_manager-32x32.png" alt="Download" /></a></td>
+			<td><a href="<c:url value="listReport.htm?id=${article.id}"/>"><fmt:message	key="validate.report" /></a></td>
+		</tr>
+		</table>
+	</div>
 </c:forEach>
 
+
 <a href="<c:url value="main.htm"/>">Home</a>
 </body>
 </html>
\ No newline at end of file
diff --git a/YACOSWeb/WebContent/images/cancel.png b/YACOSWeb/WebContent/images/cancel.png
new file mode 100644
index 0000000..3f0c98b
Binary files /dev/null and b/YACOSWeb/WebContent/images/cancel.png differ
diff --git a/YACOSWeb/WebContent/images/cancel32.png b/YACOSWeb/WebContent/images/cancel32.png
new file mode 100644
index 0000000..b9a2911
Binary files /dev/null and b/YACOSWeb/WebContent/images/cancel32.png differ
diff --git a/YACOSWeb/WebContent/images/ok.png b/YACOSWeb/WebContent/images/ok.png
new file mode 100644
index 0000000..696f944
Binary files /dev/null and b/YACOSWeb/WebContent/images/ok.png differ
diff --git a/YACOSWeb/WebContent/images/ok32.png b/YACOSWeb/WebContent/images/ok32.png
new file mode 100644
index 0000000..ab86df2
Binary files /dev/null and b/YACOSWeb/WebContent/images/ok32.png differ
diff --git a/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateArticleController.java b/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateArticleController.java
index e1a5954..b389e44 100644
--- a/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateArticleController.java
+++ b/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateArticleController.java
@@ -1,11 +1,11 @@
 package org.yacos.web.PCmember.controller;
-import java.io.IOException;
-import java.util.List;
 
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.web.servlet.ModelAndView;
@@ -26,16 +26,14 @@ public class ValidateArticleController extends SimpleFormController {
             throws ServletException, IOException{
 		
         logger.info("Returning validateArticle view");
-        List<Article> listArticleValidate;
+        List<Article> listArticleValidate = new ArrayList<Article>();
         try {
 			listArticleValidate = articleManager.getArticles(SessionService.getInstance().getCurrentConferenceId());
-			 request.getSession().setAttribute("listArticleValidate", listArticleValidate);
 		} catch (ConferenceDoesntExistException e) {
 			e.printStackTrace();
 		}
-       
-
-        return new ModelAndView("validateArticle");
+		
+        return new ModelAndView("validateArticle", "listArticleValidate", listArticleValidate);
     }
 	
 	public IArticleManager getArticleManager() {
diff --git a/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateOrRejectController.java b/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateOrRejectController.java
index a406069..596022f 100644
--- a/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateOrRejectController.java
+++ b/YACOSWeb/src/org/yacos/web/PCmember/controller/ValidateOrRejectController.java
@@ -9,6 +9,7 @@ import javax.servlet.http.HttpServletResponse;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.ModelAndViewDefiningException;
 import org.springframework.web.servlet.mvc.SimpleFormController;
 import org.springframework.web.servlet.view.RedirectView;
 import org.yacos.core.article.Article;
@@ -17,42 +18,51 @@ import org.yacos.core.article.Article.State;
 
 public class ValidateOrRejectController extends SimpleFormController {
 
-    protected final Log logger = LogFactory.getLog(getClass());
-    
-    private IArticleManager articleManager;
+	protected final Log logger = LogFactory.getLog(getClass());
+
+	private IArticleManager articleManager;
 
 	public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
-            throws ServletException{
-		
-        logger.info("Returning ValidateOrReject view");
-        String id=(String)request.getParameter("id");
-        Article art=articleManager.getArticle(Integer.parseInt(id));
-        String value=request.getParameter("value");
-        if (value.equals("valide"))
-        {
-        	
-				art.setState(State.ACCEPTED);
-		 }
-        else if (value.equals("reject"))
-        {
-        	
-				art.setState(State.REJECTED);
+	throws ServletException{
+
+		logger.info("Returning ValidateOrReject view");
+		String articleId = request.getParameter("id");
+
+		try {
+			Integer id = new Integer(articleId);
+
+			Article a = articleManager.getArticle(id);
 			
-        }
-        
-        try {
-			articleManager.updateArticle(art);
-		} catch (UndeclaredThrowableException e) {
-			e.printStackTrace();
-			System.out.println(e.getUndeclaredThrowable().toString());
+			if (a == null)
+				throw new ModelAndViewDefiningException(new ModelAndView("404error"));
+			
+			String value = request.getParameter("value");
+			
+			if (value.equals("valide"))	{
+				a.setState(State.ACCEPTED);
+			}
+			else if (value.equals("reject")) {
+				a.setState(State.REJECTED);
+			}
+			else
+				throw new ModelAndViewDefiningException(new ModelAndView("404error"));
+
+			try {
+				articleManager.updateArticle(a);
+			} catch (UndeclaredThrowableException e) {
+				e.printStackTrace();
+			}
+		}
+		catch (NumberFormatException e) {
+			throw new ModelAndViewDefiningException(new ModelAndView("404error"));
 		}
 		return new ModelAndView(new RedirectView("validateArticle.htm"));
-    }
-	
+	}
+
 	public IArticleManager getArticleManager() {
 		return articleManager;
 	}
-	
+
 	public void setArticleManager(IArticleManager articleManager) {
 		this.articleManager = articleManager;
 	}