diff --git a/YACOSWeb/WebContent/WEB-INF/jsp/delegateArticle.jsp b/YACOSWeb/WebContent/WEB-INF/jsp/delegateArticle.jsp
index adcb427..b8f68dc 100644
--- a/YACOSWeb/WebContent/WEB-INF/jsp/delegateArticle.jsp
+++ b/YACOSWeb/WebContent/WEB-INF/jsp/delegateArticle.jsp
@@ -90,7 +90,7 @@
 	}
 	
 	function removeRemote() {
-		var itemsToRemove = $('refereesList'+articleId).select('div.selected');
+		var itemsToRemove = $('refereesArticleList'+articleId).select('div.selected');
 		var refereesId = itemsToRemove.pluck('id');
 		DelegateArticlesJS.removeReferees(refereesId, articleId, remove);
 	}
diff --git a/YACOSWeb/src/org/yacos/web/PCmember/controller/DelegateArticleController.java b/YACOSWeb/src/org/yacos/web/PCmember/controller/DelegateArticleController.java
index 56a95bb..e5a7703 100644
--- a/YACOSWeb/src/org/yacos/web/PCmember/controller/DelegateArticleController.java
+++ b/YACOSWeb/src/org/yacos/web/PCmember/controller/DelegateArticleController.java
@@ -124,15 +124,11 @@ public List<RefereeBean> getRefereesWithTheArticle(int articleId ){
 				spectialities.add(speciality.getName());
 			}
 			member.setSpecialities(spectialities);
-			List<Role> userRoles = conferenceManager.getRoles(user.getLogin(), conf.getId());
-			boolean isMember = false;
-			for (Role role : userRoles) {
-				if(role.getType().equals(Role.RoleType.CHAIRMAN)||(role.getType().equals(Role.RoleType.PCMEMBER))){
-					isMember = true;
-				}
-			}
-			//add the member to the return list
-			if (!refereesTmp.contains(user) && !isMember){
+				
+			if (!refereesTmp.contains(user) 
+				&& !userManager.hasRoleForConference(user.getLogin(), RoleType.CHAIRMAN, conf.getId())
+				&& !userManager.hasRoleForConference(user.getLogin(), RoleType.PCMEMBER, conf.getId())
+			){
 				members.add(member);
 			}
 						
@@ -145,24 +141,19 @@ public List<RefereeBean> getRefereesWithTheArticle(int articleId ){
 	public void addReferees(List<String> refereesId,int articleId){	
 		for (String  refereeId : refereesId) {
 			articleManager.delegateArticleToReferee(articleId, refereeId,memberId);
-			conferenceManager.addRole(RoleType.REFEREE, refereeId, conf.getId());
+			if(!userManager.hasRoleForConference(refereeId, RoleType.REFEREE, conf.getId())){
+				conferenceManager.addRole(RoleType.REFEREE, refereeId, conf.getId());
+			}
 		}
-		logger.debug("add referee to article");
+		logger.info("add referee to article");
 	}
 
 	public void removeReferees(List<String> refereesId,int articleId){
-		for (String refereeId : refereesId) {
-			articleManager.undelegateArticleToReferee(articleId, refereeId, memberId);
-			User referee = userManager.getUser(refereeId);
-			List<Role> userRoles = conferenceManager.getRoles(referee.getLogin(), conf.getId());
-			for (Role role : userRoles) {
-				if(role.getType().equals(Role.RoleType.REFEREE)){
-					conferenceManager.removeRole(role);
-				}
-			}
-			
-		}
-		logger.debug("remove members to article");
 		
+		for (String refereeId : refereesId) {	
+			articleManager.undelegateArticleToReferee(articleId, refereeId, memberId);	
+		}
+		
+		logger.info("remove members to article");		
 	}
 }