cookies.js

flash platform game with code

// Cookies handlers


// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function set_cookie(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;
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function get_cookie(name) {
     var dc = document.cookie;
     var prefix = name + "=";
     var begin = dc.indexOf("; " + prefix);
     if (begin == -1) {
       begin = dc.indexOf(prefix);
       if (begin != 0) return null;
     } else
       begin += 2;
     var end = document.cookie.indexOf(";", begin);
     if (end == -1)
       end = dc.length;
     return unescape(dc.substring(begin + prefix.length, end));
}

// 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 delete_cookie(name, path, domain) {
     if (get_cookie(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
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
	var base = new Date(0);
	var skew = base.getTime();
	if (skew > 0)
	date.setTime(date.getTime() - skew);
}