rem: return pair.value.map(function(value) { return key + '=' + encodeURIComponent(value); }).join('&'); 
add: return $H(hash).inject(this, function(mergedHash, pair) { mergedHash[pair.key] = pair.value; return mergedHash; }); 
context:           return pair.value.map(function(value) {            return key + '=' + encodeURIComponent(value);		  	  }).join('&');
meta: 3158	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3158/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/clean/public/javascripts/prototype.js