// Creating cookies
function setCookie(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=/";
	}

// Reading cookies
function getCookie(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;
	}

// Deleting cookies
function delCookie(name)
	{
	setCookie(name, "", -1);
	}