S3.Blog

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie 
//             (defaults to end of current session)
// [path] - path for which the cookie is valid 
//             (defaults to path of calling document)
// [domain] - domain for which the cookie is valid 
//            (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie 
//            transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
        var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")
                document.cookie = curCookie
}

function setCookie(name, value) {
	var oDate = new Date();
	oDate.setFullYear(oDate.getFullYear() + 1);
	var domain = self.location.host; 
	document.cookie = name + "=" + value + "; path=/; domain=" + domain + "; expires=" + oDate.toGMTString();
}

function getCookie(name) {
	var prefix = name + "=";
	var cookieStartIndex = document.cookie.indexOf(prefix);
	if (cookieStartIndex == -1) {
		return null;
	}
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
	if (cookieEndIndex == -1) {
		cookieEndIndex = document.cookie.length;
	}
	return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

// name - name of the cookie
// [path] - path of the cookie 
//          (must be same as path used to create cookie)
// [domain] - domain of the cookie 
//          (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted 
//          if no explicit argument proceeds
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"
        }
}