Index: trunk/kernel/include/itemdb.php
===================================================================
diff -u -N -r810 -r822
--- trunk/kernel/include/itemdb.php	(.../itemdb.php)	(revision 810)
+++ trunk/kernel/include/itemdb.php	(.../itemdb.php)	(revision 822)
@@ -269,6 +269,9 @@
       $this->SetModified($UpdatedBy);
       $sql = "UPDATE ".$this->tablename ." SET ";
       $first  = 1;
+      
+      $this->DetectChanges();
+      
       foreach ($this->m_dirtyFieldsMap as $key => $value)
       {
           if(!is_numeric($key) && $key != $this->IdField() && $key!='ResourceId')
@@ -288,12 +291,7 @@
 	            else
 	              $sql = sprintf("%s, %s=%s",$sql,$key,$this->adodbConnection->qstr(stripslashes($value)));
             }
-          }
-          if (!(($value == '' || $value == 0) && ($this->Data[$key] == 'NULL' || $this->Data[$key] == '0' || $this->Data[$key] == ''))) {
-          	if (!strstr($key, 'Modif') && $key != 'CreatedOn') {
-          		$objSession->SetVariable("HasChanges", 1);
-        	}
-          }  	
+          }           	
       }
 
 		$sql = sprintf("%s WHERE %s = '%s'",$sql, $this->IdField(), $this->UniqueId());
@@ -376,6 +374,19 @@
   	return $sql;
   }
   
+  function DetectChanges()
+  {
+  	global $objSession;
+print_pre($this->m_dirtyFieldsMap);
+  	foreach ($this->m_dirtyFieldsMap as $key => $value) {
+      //if ($this->Data[$key] != $this->m_dirtyFieldsMap[$key]) {
+      	if ((!strstr($key, 'Modif') && $key != 'CreatedOn')) {
+      		$objSession->SetVariable("HasChanges", 1);
+    	}
+      //}   		
+  	}
+  }
+  
   function Create()
   {
      global $Errors, $objSession;
@@ -398,10 +409,10 @@
 
       $this->SetUniqueId($this->adodbConnection->Insert_ID());
       
-      
-      if ($this->adodbConnection->Affected_Rows() > 0) {
+      $this->DetectChanges();
+      /*if ($this->adodbConnection->Affected_Rows() > 0) {
       	$objSession->SetVariable("HasChanges", 1);
-  	  }      
+  	  }  */    
       
       return true;
   }