// JavaScript Document
function key(note) {
	switch (note) {
	case "A": 
		document.all.pianokey.src = "sounds/a.mp3";
		break;
	case "B": 
		document.all.pianokey.src = "sounds/b.mp3";
		break;
	case "C": 
		document.all.pianokey.src = "sounds/c.mp3";
		break;
	case "D": 
		document.all.pianokey.src = "sounds/d.mp3";
		break;
	case "E": 
		document.all.pianokey.src = "sounds/e.mp3";
		break;
	case "F": 
		document.all.pianokey.src = "sounds/f.mp3";
		break;
	case "G": 
		document.all.pianokey.src = "sounds/g.mp3";
		break;
	}
}