var date = new Date();
function takeYear(theDate)
{
x = theDate.getYear();
var y = x % 100;
y += (y < 38) ? 2000 : 1900;
return y;
}
function leadingZero(nr)
{
if (nr < 10) nr = "0" + nr;
return nr;
}
function display_date() {
   var day_of_week_number = date.getDay();
   var day_of_month = leadingZero(date.getDate());
   var month_number = leadingZero(1+date.getMonth());
   var year = takeYear(date);
   var day_of_week = '';
   if(day_of_week_number == 0){day_of_week = 'воскресенье';}
   if(day_of_week_number == 1){day_of_week = 'понедельник';}
   if(day_of_week_number == 2){day_of_week = 'вторник';}
   if(day_of_week_number == 3){day_of_week = 'среда';}
   if(day_of_week_number == 4){day_of_week = 'четверг';}
   if(day_of_week_number == 5){day_of_week = 'пятница';}
   if(day_of_week_number == 6){day_of_week = 'суббота';}
   var date_to_show = day_of_month + '.' + month_number +  '.' + year + ',' + day_of_week;
   return (date_to_show);
}
function sayHello () {
var hours = date.getHours(); 
 if ((hours >= 6) && (hours < 10)) { return('Доброе утро')}
 if ((hours >= 10) && (hours < 18)) { return('Добрый день')}
 if ((hours >= 18) && (hours < 22)) { return('Добрый вечер')}
 else { return('Доброй ночи')}
}