--- ECHO_content/ECHO_collection.py	2004/10/05 14:58:56	1.175
+++ ECHO_content/ECHO_collection.py	2004/10/06 13:02:56	1.176
@@ -3574,6 +3574,11 @@ class ECHO_root(Folder,Persistent,Implic
 	    if ref[0:3]=='lit':
 		    if len(self.library_data({ 'id':ref}))>0:
 			    return 1
+	    try:
+		    if ref[0:7]=="tec_cat":
+			    return 1
+	    except:
+		    """nothing"""
 		    
 	    dbs={'vl_technology':'','vl_people':'','vl_sites':''}
 	    res=None