fixes issues #25 and #27

code/MoyaWeb/WebContent/resources/cditools/bills/list.xhtml

@@ -43,7 +43,7 @@
 				</f:facet>
 				<h:outputText value="#{bill.billNumber}" />
 			</p:column>
-			<p:column>
+			<p:column rendered="#{billListView.canWriteBill}">
 				<f:facet name="header">
 					<h:outputText value="${i18n['bill.referencenumber']}" />
 				</f:facet>
@@ -88,6 +88,9 @@
 				</h:commandButton>
 				<h:outputText rendered="#{bill.paidDate != null}" value="#{i18n['bill.isPaid']}" />
 			</p:column>
+			<p:column rendered="#{!billListView.canWriteBill}">
+				<h:outputText rendered="#{bill.paidDate != null}" value="#{i18n['bill.isPaid']}" />
+			</p:column>
 
 		</p:dataTable>