function showMenu(n){
	switch (n){
	case 1:
		document.getElementById("menu1").style.display = "block";
		document.getElementById("img1").style.display = "block";
		document.getElementById("menu1").blur();
		document.getElementById("menu2").style.display = "none";
		document.getElementById("menu3").style.display = "none";
		document.getElementById("img2").style.display = "none";
		document.getElementById("img3").style.display = "none";
		break;
	case 2:
		document.getElementById("menu1").style.display = "none";
		document.getElementById("img1").style.display = "none";
		document.getElementById("menu2").style.display = "block";
		document.getElementById("img2").style.display = "block";
		document.getElementById("menu2").blur();
		document.getElementById("menu3").style.display = "none";
		document.getElementById("img3").style.display = "none";
		break;
	case 3:
		document.getElementById("menu1").style.display = "none";
		document.getElementById("menu2").style.display = "none";
		document.getElementById("img1").style.display = "none";
		document.getElementById("img2").style.display = "none";
		document.getElementById("menu3").style.display = "block";
		document.getElementById("img3").style.display = "block";
		document.getElementById("menu3").blur();
		break;
	default:
		break;
	}
}