/*
* Checks if browser accepts cookies
*/
function acceptCookie()
{
	var acceptsCookies = false;

	if (document.cookie == '')
	{
		document.cookie = 'acceptsCookies=yes';	// Try to set a cookie.
		if (document.cookie.indexOf('acceptsCookies=yes') != -1) acceptsCookies = true;	// If it succeeds, set variable
	}
	else
	{
		acceptsCookies = true;	// there was already a cookie
	}

	return acceptsCookies;
}

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

/*
* Gets a cookie
*/
function getCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	var c;

	for (var i = 0; i < ca.length; i++)
	{
		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;
}

/*
* erases a cookie
*/
function eraseCookie(name)
{
	setCookie(name, "", -1);
}