var dayNumber = prompt("Enter day of week in number e.g. Monday = 0, Tuesday = 1");
        dayNumber = parseInt(dayNumber);
	var  day = "";
       	switch (dayNumber) {
    		case 0:
        		day = "Sunday";
		        break;
		case 1:
		        day = "Monday";
		        break;
		case 2:
        		day = "Tuesday";
        		break;
    		case 3:
        		day = "Wednesday";
        		break;
   		case 4:
        		day = "Thursday";
        		break;
    		case 5:
        		day = "Friday";
        		break;
    		case 6:
        		day = "Saturday";
        		break;
	}
	alert("The day is: " + day);