92 lines
2.8 KiB
JavaScript
92 lines
2.8 KiB
JavaScript
// This script based on Paul Snowden's work described on A List Apart
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// <http://www.alistapart.com/stories/alternate/>
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// Certain modifications (setFontSize and related) by Eric Meyer
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// <http://www.meyerweb.com/eric/>
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// adapted to killerbee.ca by Matt Wilkie
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function setActiveStyleSheet(title) {
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var i, a, main;
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if (title) {
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for(i=0; (a = document.getElementsByTagName('link')[i]); i++) {
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if(a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title')) {
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a.disabled = true;
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if(a.getAttribute('title') == title) a.disabled = false;
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}
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}
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}
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}
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function getActiveStyleSheet() {
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var i, a;
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for(i=0; (a = document.getElementsByTagName('link')[i]); i++) {
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if(a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title') && !a.disabled) return a.getAttribute('title');
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}
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return null;
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}
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function getPreferredStyleSheet() {
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var i, a;
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for(i=0; (a = document.getElementsByTagName('link')[i]); i++) {
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if(a.getAttribute('rel').indexOf('style') != -1
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&& a.getAttribute('rel').indexOf('alt') == -1
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&& a.getAttribute('title')
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)
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return a.getAttribute('title');
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}
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return null;
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}
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function createCookie(name,value,days) {
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if (days) {
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var date = new Date();
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date.setTime(date.getTime()+(days*24*60*60*1000));
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var expires = '; expires='+date.toGMTString();
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}
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else expires = '';
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document.cookie = name+'='+value+expires+'; path=/';
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}
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function readCookie(name) {
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var nameEQ = name + '=';
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var ca = document.cookie.split(';');
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for(var i=0;i < ca.length;i++) {
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var c = ca[i];
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while (c.charAt(0)==' ') c = c.substring(1,c.length);
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if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
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}
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return null;
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}
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function eraseCookie(name) {
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createCookie(name,'',-1);
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}
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function setFontSize(fontVal) {
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var fontSet = document.getElementById('fontSet');
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var docBase = new Array(); docBase = document.getElementsByTagName('body');
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if (!fontVal) {fontVal = document.getElementById('fontSet').value;}
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var docSize = fontVal+'px';
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createCookie('killerbee-size', fontVal, 365);
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docBase[0].style.fontSize = docSize;
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if (fontSet) {fontSet.value = fontVal;}
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}
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window.onload = function(e) {
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var cookie = readCookie('killerbee-style');
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var title = cookie ? cookie : getPreferredStyleSheet();
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setActiveStyleSheet(title);
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var cookie2 = readCookie('killerbee-size');
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if (cookie2) {setFontSize(cookie2);}
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}
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window.onunload = function(e) {
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var title = getActiveStyleSheet();
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createCookie('killerbee-style', title, 365);
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}
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// var cookie = readCookie('killerbee-style');
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// var title = cookie ? cookie : getPreferredStyleSheet();
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// setActiveStyleSheet(title);
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// var cookie2 = readCookie('killerbee-size');
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// if (cookie2) {setFontSize(cookie2);}
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