Index: core/admin_templates/incs/form_blocks.tpl
===================================================================
--- core/admin_templates/incs/form_blocks.tpl	(revision 13557)
+++ core/admin_templates/incs/form_blocks.tpl	(working copy)
@@ -720,6 +720,22 @@
 	</inp2:m_if>
 </inp2:m_DefineElement>
 
+<inp2:m_DefineElement name="js_option_item">
+	'<inp2:m_Param name="key" js_escape="1"/>': '<inp2:m_Param name="option" js_escape="1"/>'<inp2:m_ifnot check="m_Param" name="is_last">, </inp2:m_ifnot>
+</inp2:m_DefineElement>
+
+<inp2:m_DefineElement name="js_option_phrase">
+	'<inp2:m_Param name="key" js_escape="1"/>': '<inp2:m_Phrase name="$option" js_escape="1"/>'<inp2:m_ifnot check="m_Param" name="is_last">, </inp2:m_ifnot>
+</inp2:m_DefineElement>
+
+<inp2:m_DefineElement name="inp_json_options">
+	<inp2:m_if check="{$prefix}_FieldOption" field="$field" option="use_phrases">
+		{<inp2:{$prefix}_PredefinedOptions field="$field" block="js_option_phrase" selected="selected"/>}
+	<inp2:m_else />
+		{<inp2:{$prefix}_PredefinedOptions field="$field" block="js_option_item" selected="selected"/>}
+	</inp2:m_if>
+</inp2:m_DefineElement>
+
 <inp2:m_DefineElement name="inp_edit_checkbox" caption_render_as="default_field_caption_element" is_last="" field_class="" onchange="" hint_label="" onclick="">
 	<inp2:m_if check="{$prefix}_FieldVisible" field="$field">
 		<tr class="<inp2:m_odd_even odd='edit-form-odd' even='edit-form-even'/>" id="<inp2:$prefix_InputName field='$field'/>_row">
@@ -860,7 +876,7 @@
 						</inp2:m_if>
 						<inp2:m_Param name="field"/>.InitEvents();
 
-						<inp2:m_Param name="field"/>.SetMessage('required_error', '<inp2:m_Phrase name="la_error_required" escape="1"/>');
+						<inp2:m_Param name="field"/>.SetMessage('required_error', '<inp2:m_Phrase name="la_err_required" escape="1"/>');
 						<inp2:m_Param name="field"/>.SetMessage('unique_error', '<inp2:m_Phrase name="la_error_unique" escape="1"/>');
 						<inp2:m_Param name="field"/>.SetMessage('delete_confirm', '<inp2:m_Phrase label="la_Delete_Confirm" escape="1"/>');
 						<inp2:m_Param name="field"/>.SetMessage('add_button', '<inp2:m_Phrase name="la_btn_Add" escape="1"/>');
Index: core/admin_templates/js/form_controls.js
===================================================================
--- core/admin_templates/js/form_controls.js	(revision 13557)
+++ core/admin_templates/js/form_controls.js	(working copy)
@@ -15,7 +15,23 @@
 }
 
 MultiInputControl.prototype.registerControl = function($field_name, $type, $required, $options) {
-	this.Controls[$field_name] = {'type' : $type, 'required' : $required, 'options' : $options};
+	if (Object.prototype.toString.call($type) === "[object String]") {
+		this.Controls[$field_name] = {
+			'type' : $type,
+			'required' : $required,
+			'options' : $options,
+		};
+	}
+	else {
+		if ($required === undefined || $required === false) {
+			// type, required, options, default
+			this.Controls[$field_name] = $type;
+		}
+		else {
+			// upgrade control
+			$.extend(this.Controls[$field_name], $type);
+		}
+	}
 }
 
 MultiInputControl.prototype.getControl = function ($field, $appendix, $prepend) {
@@ -34,6 +50,10 @@
 			$value = $control.options[$control.selectedIndex].value;
 			break;
 
+		case 'radio':
+			$value = $("input[name='" + jq(this.FieldMask.replace('#FIELD_NAME#', $field)) + "']:checked").val();
+			break;
+
 		/*case 'datetime':
 			$value = this.getControl($field + '_date').value + ' ' + this.getControl($field + '_time').value;
 			break;*/
@@ -47,6 +67,10 @@
 }
 
 MultiInputControl.prototype.setControlValue = function ($field, $value) {
+	if ($value === null && this.Controls[$field]['default'] !== undefined) {
+		$value = this.Controls[$field]['default'];
+	}
+
 	switch (this.Controls[$field]['type']) {
 		case 'select':
 			var $i = 0;
@@ -54,12 +78,8 @@
 			if ($value === null) {
 				$control.selectedIndex = 0;
 			}
-			while ($i < $control.options.length) {
-				if ($control.options[$i].value == $value) {
-					$control.selectedIndex = $i;
-					break;
-				}
-				$i++;
+			else {
+				$($control).val($value).change();
 			}
 			break;
 
@@ -68,6 +88,15 @@
 			this.getControl($field, null, '_cb').checked = parseInt($value) == 1;
 			break;
 
+		case 'radio':
+			if ($value === null) {
+				$("input[name='" + jq(this.FieldMask.replace('#FIELD_NAME#', $field)) + "']:checked").attr('checked', '').change();
+			}
+			else {
+				$( this.getControl($field, $value) ).attr('checked', 'checked').change();
+			}
+			break;
+
 		/*case 'datetime':
 			$value = $value.split(' ');
 			this.getControl($field + '_date').value = $value[0];
@@ -75,7 +104,8 @@
 			break;*/
 
 		default:
-			this.getControl($field).value = ($value === null) ? '' : $value;
+			var $control = this.getControl($field);
+			$($control).val($value === null ? '' : $value).change();
 			break;
 	}
 }
@@ -101,14 +131,14 @@
 		 }
 	}
 
-	if (this.Controls[$field]['type'] == 'checkbox') {
-		$value = this.Controls[$field]['options'][ parseInt($value) ];
+	if (this.Controls[$field]['type'] == 'checkbox' || this.Controls[$field]['type'] == 'radio') {
+		$value = this.Controls[$field]['options'][$value];
 	}
 
 	return $value;
 }
 
-MultiInputControl.prototype.formatLine = function($record_index) {
+MultiInputControl.prototype.formatLine = function($record_index, $escape) {
 	var $ret = this.ResultMask;
 
 	for (var $field_name in this.Controls) {
@@ -116,9 +146,13 @@
 		$ret = $ret.replace('#' + $field_name + '#', this.formatValue($field_name, $value));
 	}
 
-	return this.htmlspecialchars($ret);
+	return $escape === undefined || $escape ? this.htmlspecialchars($ret) : $ret;
 }
 
+MultiInputControl.prototype.isReadOnly = function($record_index) {
+	return false;
+}
+
 MultiInputControl.prototype._getRecordIndex = function ($selected_index) {
 	var $object = this.getControl(this.FieldName, 'minput');
 
@@ -130,9 +164,10 @@
 }
 
 MultiInputControl.prototype.makeRequest = function($request_type, $record, $skip_index) {
-	var $url = this.ValidateURL;
+	var $url = this.ValidateURL + '&request_type=' + encodeURIComponent($request_type);
+
 	for (var $field_name in $record) {
-		$url += '&' + this.FieldMask.replace('#FIELD_NAME#', $field_name) + '=' + escape($record[$field_name]);
+		$url += '&' + this.FieldMask.replace('#FIELD_NAME#', $field_name) + '=' + encodeURIComponent($record[$field_name]);
 	}
 
 	Request.makeRequest($url, this.BusyRequest, '', this.successCallback, this.errorCallback, [$request_type, $record, $skip_index], this);
@@ -200,6 +235,7 @@
 	if ($option_index < $options.length) {
 		// update existing record
 		$options[$option_index].innerHTML = this.formatLine( this._getRecordIndex($option_index) );
+		$options[$option_index].disabled = this.isReadOnly( this._getRecordIndex($option_index) );
 	}
 	else {
 		// create new record
@@ -207,6 +243,7 @@
 		$options.add($new_option, $options.length);
 		$new_option.value = $option_index; // will be used in move up/down & sorting (if any)
 		$new_option.innerHTML = this.formatLine(this.Records.length - 1);
+		$new_option.disabled = this.isReadOnly(this.Records.length - 1);
 	}
 }
 
@@ -326,11 +363,11 @@
 MultiInputControl.prototype.ValidateRequired = function($record) {
 	for (var $field_name in $record) {
 		if (this.Controls[$field_name]['required'] && !$record[$field_name]) {
-			alert(this.Messages['required_error']);
-			return false;
+			this.Errors[$field_name] = this.Messages['required_error'];
 		}
 	}
-	return true;
+
+	return !this.displayErrors();
 }
 
 MultiInputControl.prototype.compareRecords = function($record_a, $record_b) {
@@ -369,14 +406,18 @@
 }
 
 MultiInputControl.prototype.displayErrors = function() {
-	var $has_errors = false;
-	var $field_label = '';
+	var $ret = [];
+
 	for (var $field_name in this.Errors) {
-		$has_errors = true;
-		alert(this.FieldLabels[$field_name] + ': ' + this.Errors[$field_name]);
+		$ret.push(this.FieldLabels[$field_name] + ': ' + this.Errors[$field_name]);
 	}
 
-	return $has_errors;
+	if ($ret.length) {
+		alert( $ret.join("\n") );
+		return true;
+	}
+
+	return false;
 }
 
 MultiInputControl.prototype.successCallback = function($request, $params, $object) {
Index: core/kernel/db/db_tag_processor.php
===================================================================
--- core/kernel/db/db_tag_processor.php	(revision 13557)
+++ core/kernel/db/db_tag_processor.php	(working copy)
@@ -1141,6 +1141,9 @@
 			array_shift($options);
 		}
 
+		$index = 0;
+		$option_count = count($options);
+
 		if (strpos($value, '|') !== false) {
 			// multiple checkboxes OR multiselect
 			$value = explode('|', substr($value, 1, -1) );
@@ -1148,7 +1151,10 @@
 				$block_params['key'] = $key;
 				$block_params['option'] = $val;
 				$block_params[$selected_param_name] = ( in_array($key, $value) ? ' '.$selected : '');
+				$block_params['is_last'] = $index == $option_count - 1;
 				$o .= $this->Application->ParseBlock($block_params);
+
+				$index++;
 			}
 		}
 		else {
@@ -1157,7 +1163,10 @@
 				$block_params['key'] = $key;
 				$block_params['option'] = $val;
 				$block_params[$selected_param_name] = (strlen($key) == strlen($value) && ($key == $value) ? ' '.$selected : '');
+				$block_params['is_last'] = $index == $option_count - 1;
 				$o .= $this->Application->ParseBlock($block_params);
+
+				$index++;
 			}
 		}
 		return $o;
Index: core/units/helpers/controls/minput_helper.php
===================================================================
--- core/units/helpers/controls/minput_helper.php	(revision 13557)
+++ core/units/helpers/controls/minput_helper.php	(working copy)
@@ -46,17 +46,28 @@
 			return $xml ? '<records>'.$xml.'</records>' : '';
 		}
 
+		/**
+		 * Returns validation errors in XML format
+		 *
+		 * @param kDBItem $object
+		 * @param Array $fields_hash
+		 * @return string
+		 */
 		function prepareErrorsXML(&$object, $fields_hash)
 		{
 			$xml = '';
+			$errors = Array ();
+
 			foreach ($fields_hash as $field_name => $field_value) {
-				$object->SetField($field_name, $field_value);
 				if (!$object->ValidateField($field_name)) {
-					$xml .= '<field name="'.$field_name.'">'.$object->GetErrorMsg($field_name, false).'</field>';
+					$field_options = $object->GetFieldOptions($field_name);
+					$error_field = array_key_exists('error_field', $field_options) ? $field_options['error_field'] : $field_name;
+
+					$errors[$error_field] = '<field name="'.$error_field.'">'.$object->GetErrorMsg($error_field, false).'</field>';
 				}
 			}
 
-			return '<errors>'.$xml.'</errors>';
+			return '<errors>'.implode('', $errors).'</errors>';
 		}
 
 		/**
@@ -73,6 +84,21 @@
 			if ($items_info) {
 				list ($id, $field_values) = each($items_info);
 
+				foreach ($field_values as $field_name => $field_value) {
+					$object->SetField($field_name, $field_value);
+				}
+
+				$event_mapping = Array (
+					'AddRecord' => 'OnBeforeItemCreate',
+					'SaveRecord' => 'OnBeforeItemUpdate',
+				);
+
+				$request_type = $this->Application->GetVar('request_type');
+
+				if (array_key_exists($request_type, $event_mapping)) {
+					$event->CallSubEvent($event_mapping[$request_type]);
+				}
+
 				echo $this->prepareErrorsXML($object, $field_values);
 			}