// Boolean variable specified if alert should be displayed if cookie exceeds 4KB
var caution=false
// 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" : "")
if (!caution || (name+"="+escape(value)).length<=4000)
document.cookie=curCookie
else
if (confirm("Cookie exceeds 4KB and will be cut!"))
document.cookie=curCookie}
// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
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"}}
// date - any instance of the Date object
// * you should hand all instances of the Date object to this function for "repairs"
// * this function is taken from Chapter 14, "Time and Date in JavaScript", in "Learn Advanced JavaScript Programming"
function fixDate(date) {var base=new Date(0)
var skew=base.getTime()
if (skew>0)
date.setTime(date.getTime()-skew)}Error: Unable to read footer file.