function dceGetCookie(cname) {
	var name = cname + "=";
	var decodedCookie = decodeURIComponent(document.cookie);
	var ca = decodedCookie.split(";");
	for (var i = 0; i < ca.length; i++) {
		var c = ca[i];
		while (c.charAt(0) == " ") {
			c = c.substring(1);
		}
		if (c.indexOf(name) == 0) {
			return c.substring(name.length, c.length);
		}
	}
	return "";
}

function dceSetCookie(cname, cvalue, exdays) {
	var d = new Date();
	let fmt = cname + "=" + cvalue + ";path=/";
	if (exdays) {
		d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
		let expires = ";expires=" + d.toUTCString();
		fmt = fmt + expires;
	}
	document.cookie = fmt;
}
