function showUserSubscribeForm() 
{
	$('userEmailWrapper').style.display = 'block';
}// end

function switchpage() 
{

	eraseCookie('ctc_contest_email');
	
	// logged email, redirect user to contest
  	var selected_province = $('url').value;
  	var userEmail         = $('userEmail').value;

	if (!selected_province)
	{
		alert("No province selected");
		return;
	}

	if (userEmail == 'Email Address' || userEmail == '')
	{
		alert("No email provided");
		return;
	}

	if (!userEmail.match(/^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/))
	{
		alert("Invalid email format provided");
		return;
	}

	new Ajax.Updater('',"forum/homepage_subscribe.php",
	{
		method: "post",
		parameters:
		{
			name: userEmail,
			email: userEmail,
			id: selected_province,
			funcml: 'add'
		},
		onSuccess: function(transport)
		{
		    createCookie("ctc_contest_email",userEmail,1);
		    window.location.href=selected_province;
		}
	});

}// end

function clearField(id)
{
	$(id).value = '';
}// end

function createCookie(name,value,days)
{
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}// end

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;
}// end

function eraseCookie(name)
{
	createCookie(name,"",-1);
}// end