Index: class.tslib_content.php
===================================================================
--- class.tslib_content.php	(revision 7928)
+++ class.tslib_content.php	(working copy)
@@ -219,22 +219,6 @@
 	require_once(t3lib_extMgm::extPath('obts').'_tsobject/_tso.php');
 }
 
-
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 /**
  * This class contains all main TypoScript features.
  * This includes the rendering of TypoScript content objects (cObjects).
@@ -338,6 +322,11 @@
 	var $cObjHookObjectsArr = array();		// Containig hooks for userdefined cObjects
 	protected $stdWrapHookObjects = array();		// Containing hook objects for stdWrap
 	protected $getImgResourceHookObjects;			// Containing hook objects for getImgResource
+	
+	
+	protected $foundDomains = NULL; 		// Containing sys_domain entries
+	protected $firstFoundDomains = NULL; 		// Containing sys_domain entries
+	protected $firstFoundForcedDomains = NULL; 	// Containing sys_domain entries
 
 	/**
 	 * Set to true by doConvertToUserIntObject() if USER object wants to become USER_INT
@@ -6091,45 +6080,55 @@
 
 							// Find all domain records in the rootline of the target page
 							$targetPageRootline = $GLOBALS['TSFE']->sys_page->getRootLine($page['uid']);
-							$foundDomains = array();
-							$firstFoundDomains = array();
-							$firstFoundForcedDomains = array();
 							$targetPageRootlinePids = array();
 							foreach ($targetPageRootline as $data)	{
 								$targetPageRootlinePids[] = intval($data['uid']);
 							}
-							$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-								'pid, domainName, forced',
-								'sys_domain',
-								'pid IN (' . implode(',', $targetPageRootlinePids) . ') ' .
-									' AND redirectTo=\'\' ' . $this->enableFields('sys_domain'),
-								'',
-								'sorting ASC'
-							);
-							// TODO maybe it makes sense to hold all sys_domain records in a cache to save additional DB querys on each typolink
-							while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
-								$foundDomains[] = preg_replace('/\/$/', '', $row['domainName']);
-								if (!isset($firstFoundDomains[$row['pid']])) {
-									$firstFoundDomains[$row['pid']] = preg_replace('/\/$/', '', $row['domainName']);
+							
+								// execute only once and save result into class variable
+							if (!isset($this->foundDomains) 
+								&& !isset($this->firstFoundDomains)
+								&& !isset($this->firstFoundForcedDomains)) {
+								
+									// init
+								$this->foundDomains = $this->firstFoundDomains = $this->firstFoundForcedDomains = array();
+								
+								$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+									'pid, domainName, forced',
+									'sys_domain',
+									'pid IN (' . implode(',', $targetPageRootlinePids) . ') ' .
+										' AND redirectTo=\'\' ' . $this->enableFields('sys_domain') . 
+										' AND hidden = 0 ' ,
+									'',
+									'sorting ASC'
+								);
+								
+								while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
+									// echo '<h1>looking for domains...</h1>';
+									$this->foundDomains[] = preg_replace('/\/$/', '', $row['domainName']);
+									if (!isset($this->firstFoundDomains[$row['pid']])) {
+										$this->firstFoundDomains[$row['pid']] = preg_replace('/\/$/', '', $row['domainName']);
+									}
+									if ($row['forced'] && !isset($this->firstFoundForcedDomains[$row['pid']])) {
+										$this->firstFoundForcedDomains[$row['pid']] = preg_replace('/\/$/', '', $row['domainName']);
+									}
 								}
-								if ($row['forced'] && !isset($firstFoundForcedDomains[$row['pid']])) {
-									$firstFoundForcedDomains[$row['pid']] = preg_replace('/\/$/', '', $row['domainName']);
-								}
+								
+								$GLOBALS['TYPO3_DB']->sql_free_result($res);
 							}
-							$GLOBALS['TYPO3_DB']->sql_free_result($res);
 
 							// Set targetDomain to first found domain record if the target page cannot be reached within the current domain
-							if (count($foundDomains) > 0
-							  && (!in_array($currentDomain, $foundDomains) || count($firstFoundForcedDomains) > 0)) {
+							if (count($this->foundDomains) > 0
+							  && (!in_array($currentDomain, $this->foundDomains) || count($this->firstFoundForcedDomains) > 0)) {
 								foreach ($targetPageRootlinePids as $pid) {
 									// Always use the 'forced' domain if we found one
-									if (isset($firstFoundForcedDomains[$pid])) {
-										$targetDomain = $firstFoundForcedDomains[$pid];
+									if (isset($this->firstFoundForcedDomains[$pid])) {
+										$targetDomain = $this->firstFoundForcedDomains[$pid];
 										break;
 									}
 									// Use the first found domain record
-									if ($targetDomain === '' && isset($firstFoundDomains[$pid])) {
-										$targetDomain = $firstFoundDomains[$pid];
+									if ($targetDomain === '' && isset($this->firstFoundDomains[$pid])) {
+										$targetDomain = $this->firstFoundDomains[$pid];
 									}
 								}
 								// Do not prepend the domain if its the current hostname