/* **********************************************
* generic cookie functions
*********************************************** */
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=/";
}

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

/* **********************************************
* User cookie functions
*********************************************** */
function createUser(email,id,hash)
{
	createCookie("USEREMAIL", email, 356); 
	createCookie("USERID", id, 356); 
	createCookie("USERHASH", hash, 356);  
}

function readUser()
{
	var user = new Object();
	user.UserEmail = readCookie("USEREMAIL");
	user.UserID = readCookie("USERID");
	user.UserHash = readCookie("USERHASH");
	return user;
}

function eraseUser()
{
	eraseCookie("USEREMAIL"); 
	eraseCookie("USERID"); 
	eraseCookie("USERHASH");  
}

/* **********************************************
* Test cookie functions
*********************************************** */
function testUser()
{
	createUser("user@host.com", 20355,"86D0EB9B4F483C36FD48FCA91211B5B1"); 
}