code: function() {
        var d = this.inputs[0].getValue();
        if( d == '' ) return null;
        var a = this.inputs[1].getValue().split(':');
        
        d.setHours(a[0]);
        d.setMinutes(a[1]);
        d.setSeconds(a[2]);
        
        return d;
     }
docs: Concat the values to return a date
  @return {Date} The javascript Date object