//PreLoad Images
	a1 = new Image();
	a1.src = "images/a1.jpg";
	a2 = new Image();
	a2.src = "images/a2.jpg";
	b1 = new Image();
	b1.src = "images/b1.jpg";
	b2 = new Image();
	b2.src = "images/b2.jpg";
	c1 = new Image();
	c1.src = "images/c1.jpg";
	c2 = new Image();
	c2.src = "images/c2.jpg";
	d1 = new Image();
	d1.src = "images/d1.jpg";
	d2 = new Image();
	d2.src = "images/d2.jpg";
	e1 = new Image();
	e1.src = "images/e1.jpg";
	e2 = new Image();
	e2.src = "images/e2.jpg";
	f1 = new Image();
	f1.src = "images/f1.jpg";
	f2 = new Image();
	f2.src = "images/f2.jpg";
	g1 = new Image();
	g1.src = "images/g1.jpg";
	g2 = new Image();
	g2.src = "images/g2.jpg";
	
	login1 = new Image();
	login1.src = "images/login1.jpg";
	login2 = new Image();
	login2.src = "images/login2.jpg";
	
	logout1 = new Image();
	logout1.src = "images/logout1.jpg";
	logout2 = new Image();
	logout2.src = "images/logout2.jpg";