diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
index 18e1e87..0d9e822 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/submissionArticle.jsp
@@ -20,15 +20,18 @@ function Supprimer(form) {
 <form:form method="post" enctype="multipart/form-data" commandName="submissionArticle">
 
 
-	<form:label path="title"><fmt:message key="form.submission.article.title" /></form:label>  <form:input path="title"/> <br/><br />
-	<form:label path="theme"><fmt:message key="form.submission.article.theme" /></form:label>  <form:input path="theme"/> <br/><br />
+	<form:label path="title"><fmt:message key="form.submission.article.title" /></form:label>  <form:input path="title"/> <font color="red"><form:errors path="title"/></font> <br/><br />
 	
-	<form:label path="abstractText"><fmt:message key="form.submission.article.abstractText" /></form:label>  <form:textarea path="abstractText" /><br/><br/>
+	<form:label path="theme"><fmt:message key="form.submission.article.theme" /></form:label>  <form:input path="theme"/> <font color="red"><form:errors path="theme"/></font><br/><br />
 	
-	<hr /> <br />
+	<form:label path="abstractText"><fmt:message key="form.submission.article.abstractText" /></form:label>  <form:textarea path="abstractText" /><font color="red"><form:errors path="abstractText"/></font><br/><br/>
+	
+	<hr/> <br/>
 	
 	<label for="listauthor"><fmt:message key="form.submission.listauthor" /></label> <br /><br />
-	<form:label path="mainauthor"><fmt:message key="form.submission.mainauthor" /></form:label>  <form:input path="mainauthor" />  <br/><br />
+	<form:label path="mainauthor"><fmt:message key="form.submission.mainauthor" /></form:label>  <form:input path="mainauthor" />
+	<font color="red"><form:errors path="mainauthor"/></font>
+              <br/> <br/>
 	<form:label path="secondaryauthor"><fmt:message key="form.submission.secondaryauthor" /></form:label>  <form:input path="secondaryauthor" /> 
 	<input type="button" name="addSecondary" onClick="Ajouter(this.form)" value=<fmt:message key="button.add" />> <br/><br />
 	
@@ -42,8 +45,8 @@ function Supprimer(form) {
 	<br />
 	File <input type="file" name="file"/>
 	
-	<br /><br />
 	
+	<br /><br />
 	<input type="reset" value="<fmt:message key="button.reset" />"/>
 	<input type="submit" value="<fmt:message key="button.OK" />"/> <br/><br/>
 	
diff --git a/YACOSWeb/WebContent/WEB-INF/yacos-servlet.xml b/YACOSWeb/WebContent/WEB-INF/yacos-servlet.xml
index 7253c12..cdce2f8 100644
--- a/YACOSWeb/WebContent/WEB-INF/yacos-servlet.xml
+++ b/YACOSWeb/WebContent/WEB-INF/yacos-servlet.xml
@@ -105,8 +105,12 @@
 			value="org.yacos.web.author.form.FormSubmission" />
 		<property name="formView" value="submissionArticle" />
 		<property name="successView" value="listArticle.htm" />
-		<property name="articleManager" ref="articleManager" />
-	</bean>
+		<property name="articleManager" ref="articleManager" />
+		<property name="validator" ref="submissionCheck"/>
+	</bean>
+	
+	 <bean id="submissionCheck" class="org.yacos.web.author.validator.ValidateSubmission">
+     </bean>
 
 	<bean id="ChoosePreferenceController"
 		class="org.yacos.web.PCmember.controller.ChoosePreferenceController">
@@ -233,10 +237,7 @@
 	</bean>
 
 
-
-
-
-	<dwr:controller id="dwrController" debug="true"></dwr:controller>
+    <dwr:controller id="dwrController" debug="true"></dwr:controller>
 	<dwr:configuration>
 		<dwr:convert type="bean"
 			class="org.yacos.web.chairman.form.FormConference">
diff --git a/YACOSWeb/src/org/yacos/web/author/validator/ValidateSubmission.java b/YACOSWeb/src/org/yacos/web/author/validator/ValidateSubmission.java
new file mode 100644
index 0000000..22aec2a
--- /dev/null
+++ b/YACOSWeb/src/org/yacos/web/author/validator/ValidateSubmission.java
@@ -0,0 +1,61 @@
+package org.yacos.web.author.validator;
+
+import org.springframework.validation.Errors;
+import org.springframework.validation.Validator;
+import org.yacos.web.author.form.FormSubmission;
+
+
+public class ValidateSubmission implements Validator {
+
+	public boolean supports(Class arg0) {
+		return FormSubmission.class.isAssignableFrom(arg0);
+	}
+
+	public void validate(Object arg0, Errors arg1) {
+	   
+		  FormSubmission sub=(FormSubmission)arg0;
+		  
+		  String title=sub.getTitle();
+		  String theme=sub.getTheme();
+		  String abs=sub.getAbstractText();
+		  String mainauthor=sub.getMainauthor();
+		  String file=sub.getFile().getName();
+		  
+		  if (title== null || title.trim().length() == 0) {
+			arg1.rejectValue("title",
+			"submissionArticle.title",
+			"Le title est n¨¦cessaire !");
+			}
+		  
+		 
+		  if (theme==null|theme.trim().length()==0)
+			  
+		  {
+	     arg1.rejectValue("theme", "submissionArticle.theme");
+	     }
+		  
+		  
+		  if (abs==null|abs.trim().length()==0)
+			  
+		  { arg1.rejectValue("abstractText", "submissionArticle.abstractText", "text is not nullable");
+		  
+		   }
+		  
+		 
+		  if (mainauthor==null|mainauthor.trim().length()==0)
+			  
+		  {
+	     arg1.rejectValue("mainauthor", "submissionArticle.mainauthor");
+	     }
+		  
+		  
+		/*  if (file==null|file.trim().length()==0)
+			  
+		  {
+	     arg1.rejectValue("file", "submissionArticle.file");
+	     }
+		  
+*/
+	}
+
+}