function setCookie(name, value, days) {
		var expires = "";
		if (days) {
			var today = new Date();
			today.setTime(today.getTime() + days * 24 * 60 * 60 * 1000);
			expires = today.toGMTString()
		}
		document.cookie = name + "=" + escape(value) + ";expires=" + expires + ";path=/";
	}
	function delCookie(name) {
		setCookie(name, "", -1);
	}
	function getCookie(name) {
		var cookiestring = "" + document.cookie;
		var index1 = cookiestring.indexOf(name);
		if (index1 == -1) {
			return false;
		}
		var index2 = cookiestring.indexOf(";", index1);
		if (index2 == -1) {
			index2 = cookiestring.length;
		}
		return unescape(cookiestring.substring(index1 + name.length + 1, index2));
	}

/*
function readCookie(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;
}
*/