--- trunk/tntnet/dynamic/critical.ecpp	2007/12/02 17:12:00	123
+++ trunk/tntnet/dynamic/critical.ecpp	2007/12/03 07:56:35	129
@@ -41,7 +41,9 @@
 
 std::ostream& out = reply.out();
 
-for (int i=0; i<inst_res.size(); i++)
+bool hasCritical = false;
+
+for (unsigned i=0; i<inst_res.size(); i++)
 {
 	int id = inst_res[i].getInt(2);
 	st.clear();
@@ -79,11 +81,16 @@
 
 			out << "</ul>\n";
 
-			
+			hasCritical = true;
 		}
 	}
 }
 
+if (hasCritical == false)
+{
+	out << "<i>No critical installations found</i>\n";
+}
+
 }>
 
 <&footer>