function showWineNav() {
	document.getElementById("winenav").style.display="";
	document.getElementById("clubnav").style.display="none";
	document.getElementById("giftsnav").style.display="none";
}

function showClubNav() {
	document.getElementById("winenav").style.display="none";
	document.getElementById("clubnav").style.display="";
	document.getElementById("giftsnav").style.display="none";
}

function showGiftsNav() {
	document.getElementById("winenav").style.display="none";
	document.getElementById("clubnav").style.display="none";
	document.getElementById("giftsnav").style.display="";
}