/* 
	Функция записи cookie.
	setCookie(name, value[, expires date, path, domain, secure])
*/
function setCookie(name, value)
{
	var args = setCookie.arguments;
	var expires = args[2] ? '; expires=' +  args[2].toGMTString() : '';
	var path = args[3] ? '; path=' + args[3] : '';
	var domain = args[4] ? '; domain=' + args[4] : '';
	var secure = args[5] ? '; secure' : '';
	document.cookie = name + '=' + escape(value) + expires + path + domain + secure;
}
		
/* Функция чтения cookie */
function getCookie(name)
{
	name += '=';
	with(document)
	{
		var beg = cookie.indexOf(name);
		if(beg == -1) return false;
		else beg += name.length;
		var end = cookie.indexOf(';', beg);
		if(end == -1) end = cookie.length;
		return unescape(cookie.substring(beg, end));
	}
}
		
/* Функция удаления cookie */
function deleteCookie(name)
{
	var expDate = new Date();
	expDate.setTime(expDate.getTime() - 1);
	setCookie(name, getCookie(name), expDate);
}