function displayVerse(num) {
	switch(num) {
		case 0 : 	verse = "No more bottles of beer on the wall, ";
				verse += "no more bottles of beer.";
				verse += "<br />Go to the store and buy some more, "
				verse += "99 bottles of beer on the wall.";
				break;
		case 1 :	verse = num + " bottle of beer on the wall, ";
				verse += num + " bottle of beer.";
				verse += "<br />Take one down and pass it around, "
				verse += "no more bottles of beer on the wall.";
				break;
		case 2 :	ve