function SetCookie(key, value)
{
	document.cookie = key + "=" + value;
}

function GetCookCount()
{
	cookies = document.cookie.match(cookieRegExp);
	return cookies.length;
}

function DelCook(key)
{
	var today = new Date();
	expires = new Date(today.getTime());
	document.cookie = key+"="+"; expires=" + expires.toGMTString();
}

function DelAll()
{
	cookies = document.cookie.match(cookNameRegExp);
	count = cookies.length;
	for (var i=0; i<count; i++)
	{
		DelCook(cookies[i])
	}
}