function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function cookieEmailAddress() {
	if ($('ehunt_email_entered')) {
		var ehuntEmail = $('ehunt_email_entered').innerHTML;
		var date = new Date();
		date.setTime(date.getTime()+(1*24*60*60*1000));
		var expire = date.toGMTString();
		document.cookie = "ehunt-email="+ehuntEmail+"; expires="+expire+"; path=/";
	}
}
function addAddressFromCookie() {
	if ($('ehuntEmail')) {
		var cookieEmail = readCookie('ehunt-email');
		$('ehuntEmail').writeAttribute('value', cookieEmail);
		if ($('ehuntTweet') && cookieEmail.length > 2) {
			$('ehuntEmail').up().previous().hide();
			$('ehuntEmail').up().hide();
		}
	}
}

document.observe("dom:loaded", cookieEmailAddress);
document.observe("dom:loaded", addAddressFromCookie);