Index: branches/5.2.x/units/products/products_tag_processor.php
===================================================================
diff -u -N -r14908 -r14918
--- branches/5.2.x/units/products/products_tag_processor.php	(.../products_tag_processor.php)	(revision 14908)
+++ branches/5.2.x/units/products/products_tag_processor.php	(.../products_tag_processor.php)	(revision 14918)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: products_tag_processor.php 14908 2011-12-23 11:21:19Z alex $
+* @version	$Id: products_tag_processor.php 14918 2011-12-27 11:48:35Z alex $
 * @package	In-Commerce
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license	Commercial License
@@ -772,4 +772,62 @@
 
 		return in_array($object->GetID(), $products);
 	}
+
+	/**
+	 * Checks if given field is filled for at least one product in comparison page
+	 *
+	 * @param Array $params
+	 * @return string
+	 * @access protected
+	 */
+	protected function HasCompareField($params)
+	{
+		$object =& $this->GetList($params);
+
+		$object->GoFirst();
+		$field = $this->SelectParam($params, 'name,field');
+
+		while ( !$object->EOL() ) {
+			if ( $object->GetField($field) ) {
+				// don't use GetCol, since it fails to process ML fields
+				return true;
+			}
+
+			$object->GoNext();
+		}
+
+		return false;
+	}
+
+	/**
+	 * Builds link to product compare page
+	 *
+	 * @param Array $params
+	 * @return string
+	 * @access protected
+	 */
+	protected function CompareLink($params)
+	{
+		$params['continue'] = urlencode($this->Application->HREF('__default__', '', Array ('pass_category' => 1)));
+
+		return $this->Application->ProcessParsedTag('m', 'Link', $params);
+	}
+
+	/**
+	 * Builds link to continue website browsing from compare products page
+	 *
+	 * @param Array $params
+	 * @return string
+	 * @access protected
+	 */
+	protected function ContinueLink($params)
+	{
+		$url = $this->Application->GetVar('continue');
+
+		if ( isset($params['redirect']) && $params['redirect'] ) {
+			$this->Application->Redirect('external:' . $url);
+		}
+
+		return $url;
+	}
 }
\ No newline at end of file