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59 lines
1.8 KiB
59 lines
1.8 KiB
// Cookie API v1.0.1
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// documentation: http://www.dithered.com/javascript/cookies/index.html
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// license: http://creativecommons.org/licenses/by/1.0/
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// code (mostly) by Chris Nott (chris[at]dithered[dot]com)
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// Write a cookie value
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function setCookie(name, value, expires, path, domain, secure) {
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var curCookie = name + '=' + escape(value) + ((expires) ? '; expires=' + expires.toGMTString() : '') + ((path) ? '; path=' + path : '') + ((domain) ? '; domain=' + domain : '') + ((secure) ? '; secure' : '');
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document.cookie = curCookie;
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}
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// Retrieve a named cookie value
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function getCookie(name) {
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var dc = document.cookie;
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// find beginning of cookie value in document.cookie
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var prefix = name + "=";
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var begin = dc.indexOf("; " + prefix);
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if (begin == -1) {
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begin = dc.indexOf(prefix);
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if (begin != 0) return null;
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}
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else begin += 2;
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// find end of cookie value
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var end = document.cookie.indexOf(";", begin);
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if (end == -1) end = dc.length;
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// return cookie value
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return unescape(dc.substring(begin + prefix.length, end));
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}
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// Delete a named cookie value
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function deleteCookie(name, path, domain) {
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var value = getCookie(name);
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if (value != null) document.cookie = name + '=' + ((path) ? '; path=' + path : '') + ((domain) ? '; domain=' + domain : '') + '; expires=Thu, 01-Jan-70 00:00:01 GMT';
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return value;
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}
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// Fix Netscape 2.x Date bug
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function fixDate(date) {
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var workingDate = date;
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var base = new Date(0);
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var skew = base.getTime();
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if (skew > 0) workingDate.setTime(workingDate.getTime() - skew);
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return workingDate;
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}
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// Test for cookie support
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function supportsCookies(rootPath) {
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setCookie('checking_for_cookie_support', 'testing123', '', (rootPath != null ? rootPath : ''));
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if (getCookie('checking_for_cookie_support')) return true;
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else return false;
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} |