function setCookie(name, value, expires, path, domain) {
	var curCookie;
	curCookie =
		name
		+ "="
		+ escape(value)
		+ ((expires) ? "; expires=" + expires.toGMTString() : "")
		+ ((path) ? "; path=" + path : "")
		+ ((domain) ? "; domain=" + domain : "")
	;
	if ((name + "=" + escape(value)).length <= 4096)
		document.cookie = curCookie;
	else
		if (confirm("The cookie do not fit in 4kb!"))
		document.cookie = curCookie;
}
function getCookie(name) {
	var prefix;
	var cookieStartIndex;
	var cookieEndIndex;
	prefix = name + "=";
	cookieStartIndex = document.cookie.indexOf(prefix);
	if (cookieStartIndex == -1)
		return null;
	else {
		cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
		if (cookieEndIndex == -1)
		cookieEndIndex = document.cookie.length;
		return (unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)));
	}
}

function deleteCookie(name, path, domain) {
	if (getCookie(name)) {
		document.cookie =
		name
		+ "="
		+ ((path) ? "; path=" + path : "")
		+ ((domain) ? "; domain=" + domain : "")
		+ "; expires=Thu, 01-Jan-70 00:00:01 GMT"
		;
	}
}