Index: admin_templates/products/products_pricing.tpl
===================================================================
--- admin_templates/products/products_pricing.tpl	(revision 14094)
+++ admin_templates/products/products_pricing.tpl	(working copy)
@@ -122,7 +122,16 @@
 	  			}
 				a_toolbar.AddButton( new ToolBarButton('in-commerce:arrange', '<inp2:m_phrase label="la_ToolTip_Arrange" escape="1"/>', arrange_brackets) );
 
-
+				function delete_brackets()
+	  			{
+		  			if (confirm('<inp2:m_Phrase name="la_msg_ConfirmDeletePricing" js_escape="1" no_editing="1"/>')) {
+						set_hidden_field('group_id', get_hidden_field('current_group_id'));
+						set_hidden_field('item_prefix', $BracketManager.ActivePrefix);
+						$BracketManager.submit_event('pr.tang', 'OnDeleteBrackets', 'in-commerce/products/products_pricing_grid', true);
+		  			}
+	  			}
+				a_toolbar.AddButton( new ToolBarButton('delete', '<inp2:m_phrase label="la_ToolTip_DeleteGroupPricing" escape="1"/>::<inp2:m_phrase label="la_ToolTip_Delete" escape="1"/>', delete_brackets) );
+			
 				function edit(){ }
 
 				a_toolbar.Render();
@@ -140,6 +149,9 @@
 						a_toolbar.DisableButton('prev');
 					</inp2:m_if>
 				</inp2:m_if>
+
+				a_toolbar.DisableButton('delete');
+				
 			</script>
 		</td>
 
Index: admin_templates/products/products_pricing_grid.tpl
===================================================================
--- admin_templates/products/products_pricing_grid.tpl	(revision 14094)
+++ admin_templates/products/products_pricing_grid.tpl	(working copy)
@@ -99,5 +99,13 @@
 			<inp2:m_RenderElement name="pr_grid_th" phrase="la_col_negotiated"/>
 		</tr>
 		<inp2:pr.tang_ShowPricingForm block="prbracket" IdField="PriceId"/>
+		
+		<script type="text/javascript">
+		<inp2:m_if check="m_Get" name="pr_tang">
+			a_toolbar.EnableButton('delete');
+		<inp2:m_else/>
+			a_toolbar.DisableButton('delete');
+		</inp2:m_if>
+		</script>
 	</table>
 </inp2:m_if>
\ No newline at end of file
Index: install/english.lang
===================================================================
--- install/english.lang	(revision 14094)
+++ install/english.lang	(working copy)
@@ -532,6 +532,7 @@
 			<PHRASE Label="la_month" Module="In-Commerce" Type="1">bW9udGg=</PHRASE>
 			<PHRASE Label="la_MOP" Module="In-Commerce" Type="1">UGF0YWNh</PHRASE>
 			<PHRASE Label="la_MRO" Module="In-Commerce" Type="1">T3VndWl5YQ==</PHRASE>
+			<PHRASE Label="la_msg_ConfirmDeletePricing" Module="In-Commerce" Type="1">UGxlYXNlIGNvbmZpcm0geW91IHdhbnQgdG8gZGVsZXRlIHRoZSBQcmljaW5nIGZvciB0aGlzIFVzZXIgR3JvdXAuIENsaWNrIE9LIHRvIHByb2NlZWQgd2l0aCBkZWxldGlvbiwgb3IgY2xpY2sgQ2FuY2VsIHRvIGNhbmNlbCBpdC4=</PHRASE>
 			<PHRASE Label="la_MTL" Module="In-Commerce" Type="1">TWFsdGVzZSBMaXJh</PHRASE>
 			<PHRASE Label="la_MUR" Module="In-Commerce" Type="1">TWF1cml0aXVzIFJ1cGVl</PHRASE>
 			<PHRASE Label="la_MVR" Module="In-Commerce" Type="1">UnVmaXlhYQ==</PHRASE>
Index: units/pricing/pricing_event_handler.php
===================================================================
--- units/pricing/pricing_event_handler.php	(revision 14094)
+++ units/pricing/pricing_event_handler.php	(working copy)
@@ -24,9 +24,10 @@
 	{
 		parent::mapPermissions();
 		$permissions = Array(
-			'OnMoreBrackets'	=>	Array('subitem' => 'add|edit'),
-			'OnInfinity'		=>	Array('subitem' => 'add|edit'),
-			'OnArrange'			=>	Array('subitem' => 'add|edit'),
+			'OnMoreBrackets' => Array('subitem' => 'add|edit'),
+			'OnInfinity' => Array('subitem' => 'add|edit'),
+			'OnArrange' => Array('subitem' => 'add|edit'),
+			'OnDeleteBrackets' => Array('subitem' => 'add|edit'),
 		);
 		$this->permMapping = array_merge($this->permMapping, $permissions);
 	}
@@ -34,9 +35,12 @@
 	function mapEvents()
 	{
 		parent::mapEvents();	// ensure auto-adding of approve/decine and so on events
-		$brackets_events = Array(	'OnMoreBrackets'		=>	'PricingBracketsAction',
-		'OnArrange'				=>	'PricingBracketsAction',
-		'OnInfinity'			=>	'PricingBracketsAction');
+		$brackets_events = Array(
+			'OnMoreBrackets' => 'PricingBracketsAction',
+			'OnArrange' => 'PricingBracketsAction',
+			'OnInfinity' => 'PricingBracketsAction',
+			'OnDeleteBrackets' => 'PricingBracketsAction',
+		);
 
 		$this->eventMethods = array_merge($this->eventMethods, $brackets_events);
 	}
@@ -98,8 +102,6 @@
 					$temp[$i]['Negotiated'] = '0';
 					$temp[$i]['IsPrimary'] = '0';
 					$temp[$i]['GroupId'] = $group_id;
-
-
 				}
 
 				$this->Application->SetVar($event->getPrefixSpecial(true), $temp);
@@ -150,50 +152,56 @@
 				$this->Application->SetVar($event->getPrefixSpecial(true), $temp);
 				$event->CallSubEvent('OnPreSaveBrackets');
 				break;
+				
+			case 'OnDeleteBrackets':				
+				if ($group_id) {
+					$temp = ''; // delete all pricings from "pr_tang" var
+					
+					$sql = 'DELETE FROM ' . $bracket->TableName . ' 
+							WHERE ProductId = ' . $this->Application->GetVar('p_id') . ' AND GroupId = ' . $group_id;
+					$this->Conn->Query($sql);
+				}				
+				break;	
 
 			default:
 		}
 
-		$this->Application->SetVar($event->getPrefixSpecial(true), $temp);
+		$this->Application->SetVar($event->getPrefixSpecial(true), $temp); // store pr_tang var
 	}
 
 	function OnPreSaveBrackets(&$event)
 	{
-		if( $this->Application->GetVar('pr_tang'))
-		{
+		if( $this->Application->GetVar('pr_tang') ) {
+			
 			$object =& $event->GetObject();
+			/* @var $object kDBItem */
 
+			$product_id = $this->Application->GetVar('p_id');
 			$group_id = $this->Application->getVar('group_id');
-			if($group_id>0){
-				$where_group=' AND GroupId = '.$group_id.' ';
-			}
 
-			$stored_ids = $this->Conn->GetCol("SELECT PriceId FROM ".$object->TableName." WHERE ProductId=".$this->Application->GetVar("p_id").' '.$where_group);
-
-			$items_info = $this->Application->GetVar( $event->getPrefixSpecial(true));
-
-
+			$sql = 'SELECT PriceId FROM ' . $object->TableName . ' 
+						WHERE ProductId = ' . $product_id . ' ' . ($group_id? 'AND GroupId = ' . $group_id : '');
+			$stored_ids = $this->Conn->GetCol($sql);
+			
+			$items_info = $this->Application->GetVar( $event->getPrefixSpecial(true) ); // get pr_tang var
 			uasort($items_info, 'pr_bracket_comp');
+			
+			foreach ($items_info as $item_id => $values) {
 
-
-			foreach ($items_info as $item_id=>$values)
-			{
-
 				if (in_array($item_id, $stored_ids)) { //if it's already exist
 					$object->SetDefaultValues();
 					$object->Load($item_id);
 					$object->SetFieldsFromHash($values);
+					
 					if (!$object->Validate()) {
 						unset($stored_ids[array_search($item_id, $stored_ids)]);
 						$event->redirect = false;
 						continue;
 					}
-					if( $object->Update($item_id) )
-					{
+					if( $object->Update($item_id) ) {
 						$event->status=erSUCCESS;
 					}
-					else
-					{
+					else {
 						$event->status=erFAIL;
 						$event->redirect=false;
 						break;
@@ -203,18 +211,17 @@
 				else {
 					$object->SetDefaultValues();
 					$object->SetFieldsFromHash($values);
-					$object->SetDBField('ProductId', $this->Application->GetVar("p_id"));
+					$object->SetDBField('ProductId', $product_id);
 
-					if( $object->Create() )
-					{
+					if( $object->Create() ) {
 						$event->status=erSUCCESS;
 					}
 				}
 			}
 
 			// delete
-			foreach ($stored_ids as $stored_id){
-				$this->Conn->Query("DELETE FROM ".$object->TableName." WHERE PriceId=".$stored_id);
+			foreach ($stored_ids as $stored_id) {
+				$this->Conn->Query('DELETE FROM ' . $object->TableName . ' WHERE PriceId = ' . $stored_id);
 			}
 
 		}