function showSignup() {
	document.getElementById("signup-overlay").style.display = "block";
	document.getElementById("btn-sign-up-now").src = "/images/sign-up-now-arrow-down.gif";
}

function hideSignup() {
	document.getElementById("signup-overlay").style.display = "none";
	document.getElementById("btn-sign-up-now").src = "/images/sign-up-now.gif";
}

function showSignup2() {
	document.getElementById("signup-overlay").style.display = "block";
	document.getElementById("btn-sign-up-now").src = "/images/sign-up-now-down-arrow2.gif";
}

function hideSignup2() {
	document.getElementById("signup-overlay").style.display = "none";
	document.getElementById("btn-sign-up-now").src = "/images/sign-up-now2.gif";
}