Designing with JavaScript CD Code

<HTML>
<HEAD>
<TITLE>The Cookie Jar</TITLE>
<SCRIPT LANGUAGE = "JavaScript">
<!-- 

// Use this function to retrieve a cookie.
function getCookie(name){
var cname = name + "=";               
var dc = document.cookie;             
    if (dc.length > 0) {              
    begin = dc.indexOf(cname);       
        if (begin != -1) {           
        begin += cname.length;       
        end = dc.indexOf(";", begin);
            if (end == -1) end = dc.length;
            return unescape(dc.substring(begin, end));
        } 
    }
return null;
}

// Use this function to save a cookie.
function setCookie(name, value, expires) {
document.cookie = name + "=" + escape(value) + "; path=/" +
((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

// Use this function to delete a cookie.
function delCookie(name) {
document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
}

//-->
</SCRIPT>
</HEAD>
<BODY BGCOLOR = "#FFFFFF">
<SCRIPT LANGUAGE = "JavaScript">
<!-- 

var exp = new Date();                                   // make new date object
exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 31)); // set it 31 days ahead

setCookie("myname", "myvalue", exp);      // save the cookie
document.write(getCookie("myname"));      // retrieve and display cookie on page
delCookie("myname");                      // delete cookie

//-->
</SCRIPT>
</BODY>
</html>