this.addMinutes(there - here); return this; 
return this.addMinutes(there - here); 
Date.prototype.setTimezoneOffset = function (s) {    var here = this.getTimezoneOffset(), there = Number(s) * -6 / 10;    this.addMinutes(there - here);     return this;};
2975	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2975/5e4baa7d996cb31f759dda98f3d5950c60188a45/core-debug.js/clean/src/core-debug.js