Javascript Date toStringRu()

Date.prototype.toStringRu = function () {
 var d = this.getDate();
 var M = this.getMonth();
 var y = this.getFullYear();
 var H = this.getHours();
 var m = this.getMinutes();
 var s = this.getSeconds();
 return '' + d.toString(2) + '.' + M.toString(2) + '.' + y.toString(4) + ' ' + H.toString(2) + ':' + m.toString(2) + ':' + s.toString(2);
};