Index: trunk/core/kernel/utility/formatters/date_formatter.php
===================================================================
diff -u -r7902 -r7920
--- trunk/core/kernel/utility/formatters/date_formatter.php	(.../date_formatter.php)	(revision 7902)
+++ trunk/core/kernel/utility/formatters/date_formatter.php	(.../date_formatter.php)	(revision 7920)
@@ -25,6 +25,11 @@
 	function SetMixedFormat(&$field_options, &$format, $type)
 	{
 		if (!isset($field_options[$type])) {
+			// default value is date+sepatator+time
+			$field_options[$type] = '_regional_DateTimeFormat';
+		}
+		
+		if ($field_options[$type] == '_regional_DateTimeFormat') {
 			$field_options[$type] = $format['date'].$field_options['date_time_separator'].$format['time'];
 		}
 		else if(preg_match('/_regional_(.*)/', $field_options[$type], $regs)) {
@@ -57,12 +62,21 @@
 			return Array ($display_format, $input_format);
 		}
 		else {
-			$format = getArrayValue($field_options, $type.'_format');
-			if ($format === false) {
+			// 1. set display format
+			if (isset($field_options[$type.'_format'])) {
+				$format = $field_options[$type.'_format'];
+			}
+			else {
 				$format = $this->language->GetDBField(ucfirst($type).'Format');
 			}
 			
-			$input_format = $this->language->GetDBField('Input'.ucfirst($type).'Format');
+			// 2. set input format
+			if (isset($field_options['input_'.$type.'_format'])) {
+				$input_format = $field_options['input_'.$type.'_format'];
+			}
+			else {
+				$input_format = $this->language->GetDBField('Input'.ucfirst($type).'Format');
+			}
 			
 			return Array ($format, $input_format);
 		}
@@ -75,12 +89,14 @@
 		$field_options['sub_fields'] = Array('date' => $field_name.'_date', 'time' => $field_name.'_time');
 
 		$add_fields = Array();
-
+		
+		// 1. add DATE virtual field
 		$opts = Array('master_field' => $field_name, 'formatter'=>'kDateFormatter', 'format' => $display_format['date'], 'input_format' => $input_format['date']);
 		if ( isset($field_options['default']) ) $opts['default'] = $field_options['default'];
 		if ( isset($field_options['required']) ) $opts['required'] = $field_options['required'];
-
 		$add_fields[$field_name.'_date'] = $opts;
+		
+		// 2. add TIME virtual field
 		$opts['format'] = $display_format['time'];
 		$opts['input_format'] = $input_format['time'];
 		$add_fields[$field_name.'_time'] = $opts;