return $H(hash).inject($H(this), function(mergedHash, pair) { mergedHash[pair.key] = pair.value; return mergedHash; 
return this.inject([], function(array, value) { return array.concat(value && value.constructor == Array ? value.flatten() : [value]); 
    return $H(hash).inject($H(this), function(mergedHash, pair) {      mergedHash[pair.key] = pair.value;      return mergedHash;    });
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/328e05b227c420e11178ba4eb2eb0e10862b193f/prototype.js/buggy/wp-includes/js/scriptaculous/prototype.js