64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
function setActiveStyleSheet(title) {
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var i, a, main;
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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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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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) 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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window.onload = function(e) {
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var cookie = readCookie("style");
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var title = cookie ? cookie : getPreferredStyleSheet();
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setActiveStyleSheet(title);
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}
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window.onunload = function(e) {
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var title = getActiveStyleSheet();
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createCookie("style", title, 365);
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}
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var cookie = readCookie("style");
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var title = cookie ? cookie : getPreferredStyleSheet();
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setActiveStyleSheet(title);
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