<script type="text/javascript"> function whatDayIsIt(){  var ValidDays = new Array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday');  ask_the_user = prompt('What day is it today?');  day_of_the_week_number = ValidDays.indexOf(ask_the_user);  if(day_of_the_week_number<0){   alert('You have not entered a valid day. Please check and try again. Your day must start with a capital letter.');   whatDayIsIt();  }  else{   if(ask_the_user=="Friday"){    alert('Yay! It is nearly the weekend!');   }   else if (ask_the_user=="Saturday" || ask_the_user == "Sunday"){    alert('Enjoy the Weekend!');   }   else{    day_of_the_week_number+=1;    day_weekend_starts = 6;    days_until_the_weekend = day_weekend_starts - day_of_the_week_number;    alert('Do not fret! Only '+days_until_the_weekend+' days until the weekend!');   }  } }</script>