return $H(hash).inject($H(this), function(mergedHash, pair) { 
return $H(hash).inject(this, function(mergedHash, pair) { 
  merge: function(hash) {    return $H(hash).inject($H(this), function(mergedHash, pair) {      mergedHash[pair.key] = pair.value;      return mergedHash;    });  },
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/15b6168787a6a25fd1fbbc41a3a5227b899071a9/prototype.js/clean/wp-includes/js/prototype.js