function validateLogin(id)
{
	trimFields();
	if(obj.user_id.value == "")
	{
		alert("Please enter your User ID.");
		obj.user_id.focus();
		return;
	}
	if(obj.password.value == "")
	{
		alert("Please enter your Password.");
		obj.password.focus();
		return;
	}
	//All Okay?
	obj.action="campaigns/"+id+"/posters_login.html?opt=login";
	obj.submit();
}

function validateRegistration(id)
{
	trimFields();
	if(obj.new_user_id.value == "")
	{
		alert("Please enter a User ID.");
		obj.new_user_id.focus();
		return;
	}
	if(obj.new_password.value == "")
	{
		alert("Please enter a Password.");
		obj.new_password.focus();
		return;
	}
	if(obj.full_name.value == "")
	{
		alert("Please enter your Full Name.");
		obj.full_name.focus();
		return;
	}
	if(obj.email.value == "")
	{
		alert("Please enter your Email ID.");
		obj.email.focus();
		return;
	}
	if(!chkEmail(obj.email.value))
	{
		alert("The Email Address appears to be invalid!\nPlease review and correct it.");
		obj.email.focus();
		obj.email.select();
		return;
	}
	//All Okay?
	obj.action="campaigns/"+id+"/posters_login.html?opt=registration";
	obj.submit();
}