function readInputToServer()
{
	var obj = document.getElementById("cart");
	if (obj != null)
		readCookie(obj.id);
}

function writeServerInputToCookie()
{
	var obj = document.getElementById("cart");
	if (obj != null)
	{
		if (readCookie(obj.id) == null)
			createCookie(obj.id, obj.value, 180);
	}
}

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 killCookies()
{
	var killDate = new Date("January 1, 1970");
	var obj = document.getElementById("cart");
	if (obj != null)
	{
		if (readCookie(obj.id) != null)
			document.cookie = cookieName + "=;expires=" + killDate.toGMTString();
	}
}