CMMD-cookie.js

// Create new cookie
var setCookie = function(key, value, expiry, path, domain, secure) {
	var todaysDate = new Date();
	todaysDate.setTime(todaysDate.getTime());

	if (expiry == "") { expiry = "1"; }

	// line below sets for n number of days - for hours, remove * 24 - for minutes remove * 60 * 24    
	if (expiry) {
		expiry = expiry * 1000 * 60 * 60 * 24;
	}

	var newExpiry = new Date(todaysDate.getTime() + (expiry));

	document.cookie = key + "=" + escape(value) +
		( ( expiry ) ? ";expires=" + newExpiry : "" ) +
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		((secure) ? ";secure" : "");

}

// Try to retrieve the cookie
var getCookie = function(key) {
	var keyval = document.cookie.match('(^|;) ?' + key + '=([^;]*)(;|$)');
	return keyval ? keyval[2] : null;
}

// Delete the cookie by expiring it
var deleteCookie = function(key, path, domain) {
	var today = new Date();
	var expiry = today.getTime() * 1000 * 60 * 60 * 24;
	var newExpiry = new Date(today.getTime() - (expiry));
	if (getCookie(key))
		document.cookie = key + "=" +
			((path) ? ";path=" + path : "") +
			((domain) ? ";domain=" + domain : "") + ";expires=" + newExpiry;

}