--- MPIWGWeb/MPIWGProjects.py	2010/09/14 06:46:33	1.47.2.119
+++ MPIWGWeb/MPIWGProjects.py	2010/09/14 13:23:46	1.47.2.121
@@ -309,7 +309,7 @@ class MPIWGProject(CatalogAware,Folder,C
         """test ob es digital sources gibt"""
         
         
-        ret = (self.getContent('xdata_11')=='' and self.getContent('xdata_13')=='')
+        ret = (self.getContent('xdata_11').lstrip().rstrip()=='')
             
       
       
@@ -519,8 +519,11 @@ class MPIWGProject(CatalogAware,Folder,C
 
     def addPublication(self,text,RESPONSE=None):
         """add an MPIWG_Publication"""
-
-        name="publication_"+str(self.getLastPublicationNumber()+1)
+        number=self.getLastPublicationNumber()+1
+        name="publication_"+str(number)
+        while hasattr(self,name):
+            number+=1
+            name="publication_"+str(number)
         
         newPublication=MPIWGProject_publication(name)
 
@@ -543,7 +546,13 @@ class MPIWGProject(CatalogAware,Folder,C
     def addRelatedProject(self,link,RESPONSE=None):
         """add an MPIWG_Publication"""
 
-        name="RelatedProject"+str(self.getLastRelatedProjectNumber()+1)
+        
+        
+        number=self.getLastPublicationNumber()+1
+        name="RelatedProject"+str(number)
+        while hasattr(self,name):
+            number+=1
+            name="RelatedProject_"+str(number)
         
         # hole die id des projektes
         splitted=link.split("/")
@@ -580,7 +589,7 @@ class MPIWGProject(CatalogAware,Folder,C
     
     def getLastPublicationNumber(self):
         publications=self.getPublications()
-        
+       
         if not publications:
             return 0
         else: