cookies = { // private property _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", // public method for encoding encode : function (input) { var output = ""; var chr1, chr2, chr3, enc1, enc2, enc3, enc4; var i = 0; input = cookies._utf8_encode(input); while (i < input.length) { chr1 = input.charCodeAt(i++); chr2 = input.charCodeAt(i++); chr3 = input.charCodeAt(i++); enc1 = chr1 >> 2; enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); enc4 = chr3 & 63; if (isNaN(chr2)) { enc3 = enc4 = 64; } else if (isNaN(chr3)) { enc4 = 64; } output = output + this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); } return output; }, // public method for decoding decode : function (input) { var output = ""; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); while (i < input.length) { enc1 = this._keyStr.indexOf(input.charAt(i++)); enc2 = this._keyStr.indexOf(input.charAt(i++)); enc3 = this._keyStr.indexOf(input.charAt(i++)); enc4 = this._keyStr.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output + String.fromCharCode(chr1); if (enc3 != 64) { output = output + String.fromCharCode(chr2); } if (enc4 != 64) { output = output + String.fromCharCode(chr3); } } output = cookies._utf8_decode(output); return output; }, // private method for UTF-8 encoding _utf8_encode : function (string) { string = string.replace(/\r\n/g,"\n"); var utftext = ""; for (var n = 0; n < string.length; n++) { var c = string.charCodeAt(n); if (c < 128) { utftext += String.fromCharCode(c); } else if((c > 127) && (c < 2048)) { utftext += String.fromCharCode((c >> 6) | 192); utftext += String.fromCharCode((c & 63) | 128); } else { utftext += String.fromCharCode((c >> 12) | 224); utftext += String.fromCharCode(((c >> 6) & 63) | 128); utftext += String.fromCharCode((c & 63) | 128); } } return utftext; }, // private method for UTF-8 decoding _utf8_decode : function (utftext) { var string = ""; var i = 0; var c = c1 = c2 = 0; while ( i < utftext.length ) { c = utftext.charCodeAt(i); if (c < 128) { string += String.fromCharCode(c); i++; } else if((c > 191) && (c < 224)) { c2 = utftext.charCodeAt(i+1); string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); i += 2; } else { c2 = utftext.charCodeAt(i+1); c3 = utftext.charCodeAt(i+2); string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); i += 3; } } return string; }, /* METHOD: get(); * PURPOSE: Get the value of a cookie * ARGUMENTS: STRING - cookieName - The name of the cookie value you wish to retrieve * RETURN: If cookie exists - STRING - the cookie value * If cookie does not exist - null */ get: function(cookieName) { var cookieNameStart,valueStart,valueEnd,cookieValue,returnValue; cookieNameStart = document.cookie.indexOf(cookieName+'='); if (cookieNameStart < 0) { returnValue = null; } else { valueStart = document.cookie.indexOf(cookieName+'=') + cookieName.length + 1; valueEnd = document.cookie.indexOf(";",valueStart); if (valueEnd == -1) { valueEnd = document.cookie.length; } cookieValue = document.cookie.substring(valueStart,valueEnd ); returnValue = (cookieValue == '') ? null : cookies.decode(cookieValue); } return returnValue; }, /* METHOD: set(); * PURPOSE: Write (or overwrite) a cookie (with supplemental information such as expiration, path, domain) * ARGUMENTS: cookieName - STRING - The name of the cookie value you wish to write * value - STRING - The string you wish to write as the value of the cookie * hoursToLive - INT/FLOAT - The number of hours until the cookie will expire. If you do not provide * this argument, or provide anything that can evaluate to false, or provide * anything that can not be interpreted as a number, the expiration field for * the cookie will not be set causing it to be deleted the next time the * browser is closed (IE referes to this sort of cookie as a 'session' cookie). * path - STRING - (Optional) The path for which the cookie is valid. Defaults to "/" if not * passed, or passed empty. * domain - STRING - (Optional) The domain for which the cookie is valid. Defaults to * window.location.hostname if not passed, or passed empty. * secure - BOOL - (Optional) This is used to instruct the browser to use SSL when sending the * cookie to a server. It is almost never used, and will thus be assumed false * unless you explicitly pass true. * RETURN: VOID */ set: function(cookieName,value,hoursToLive,path,domain,secure) { var expireString,timerObj,expireAt,pathString,domainString,secureString; //If no hoursToLive argument, or it is not numeric, do not set expiration if (!hoursToLive || typeof hoursToLive != 'number') { expireString = ''; } else { timerObj = new Date(); timerObj.setTime(timerObj.getTime()+(hoursToLive*60*60*1000)); expireAt = timerObj.toGMTString(); expireString = '; expires='+expireAt; } //If no path argument, or argument is empty string, set path to default of / path = (!path || path=='' || path==null) ? '/' : path; pathString = '; path='+path; //If no domain argument, or argument is empty string, set domain to default of window.location.hostname domain = (!domain || domain=='' || domain==null) ? window.location.hostname : domain; domainString = '; domain='+domain; //If secure argument is the BOOL true, set SSL string accordingly. Otherwise, do not set it. secureString = (secure === true) ? '; secure' : ''; //escape the value for HTTP transport to server value = escape(value); //Write the value to the document.cookie string document.cookie = cookieName+'='+value+expireString+pathString+domainString; }, /* METHOD: del(); * PURPOSE: Delete a cookie * ARGUMENTS: STRING - cookieName - The name of the cookie value you wish to delete * path - STRING - (Optional) The path for which the cookie was set. This is necessary if * the cookie was set with a particular path--you need to delete it with the * same. Defaults to "/" if not passed, or passed empty. * domain - STRING - (Optional) The domain for which the cookie was set. This is necessary if * the cookie was set with a particular domain--you need to delete it with the * same. Defaults to window.location.hostname if not passed, or passed empty. * RETURN: VOID */ del: function(cookieName,path,domain) { path = (!path || !path.length) ? '' : path; domain = (!domain || !domain.length) ? '' : domain; jimAuld.utils.cookies.set(cookieName,'',-8760,path,domain); }, /* METHOD: test(); * PURPOSE: Test for cookie acceptance * ARGUMENTS: VOID * RETURN: If cookies accepted: BOOL - True * If cookies not accepted: BOOL - False */ test: function() { var returnValue; jimAuld.utils.cookies.set('cT','acc'); var runTest = jimAuld.utils.cookies.get('cT'); if (runTest == 'acc') { jimAuld.utils.cookies.del('cT'); returnValue = true; } else { returnValue = false; } return returnValue; } };