Index: branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php
===================================================================
diff -u -r5731 -r5735
--- branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5731)
+++ branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5735)
@@ -1076,6 +1076,9 @@
 			unset($params['__NO_REWRITE__']);
 		}
 
+		// append pass through variables to each link to be build
+		$params = array_merge_recursive2($this->getPassThroughVariables(), $params);
+		
 		if ($this->RewriteURLs($ssl) && !$no_rewrite)
 		{
 			$session =& $this->recallObject('Session');
@@ -1092,6 +1095,35 @@
 		return $ret;
 	}
 
+	/**
+	 * Returns variables with values that should be passed throught with this link + variable list
+	 *
+	 * @return unknown
+	 */
+	function getPassThroughVariables()
+	{
+		static $cached_pass_through = null;
+		
+		// because pass through is not changed during script run, then we can cache it
+		if (is_null($cached_pass_through)) {
+		
+			$cached_pass_through = Array();
+			$pass_through = $this->Application->GetVar('pass_through');
+			
+			if ($pass_through) {
+				// names of variables to pass to each link
+				$cached_pass_through['pass_through'] = $pass_through;
+				$pass_through = explode(',', $pass_through);
+				foreach ($pass_through as $pass_through_var) {
+					$cached_pass_through[$pass_through_var] = $this->Application->GetVar($pass_through_var);
+				}
+			}
+			
+		}
+		
+		return $cached_pass_through;
+	}
+	
 
 	/**
 	 * Returns sorted array of passed prefixes (to build url from)