| function setActiveStyleSheet(title) { |
| var i, a, main; |
| for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { |
| if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) { |
| a.disabled = true; |
| if(a.getAttribute("title") == title) a.disabled = false; |
| } |
| } |
| } |
| |
| function getActiveStyleSheet() { |
| var i, a; |
| for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { |
| if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title"); |
| } |
| return null; |
| } |
| |
| function getPreferredStyleSheet() { |
| var i, a; |
| for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { |
| if(a.getAttribute("rel").indexOf("style") != -1 |
| && a.getAttribute("rel").indexOf("alt") == -1 |
| && a.getAttribute("title") |
| ) return a.getAttribute("title"); |
| } |
| return null; |
| } |
| |
| function createCookie(name,value,days) { |
| if (days) { |
| var date = new Date(); |
| date.setTime(date.getTime()+(days*24*60*60*1000)); |
| var expires = "; expires="+date.toGMTString(); |
| } |
| else expires = ""; |
| document.cookie = name+"="+value+expires+"; path=/"; |
| } |
| |
| function readCookie(name) { |
| var nameEQ = name + "="; |
| var ca = document.cookie.split(';'); |
| for(var i=0;i < ca.length;i++) { |
| var c = ca[i]; |
| while (c.charAt(0)==' ') c = c.substring(1,c.length); |
| if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); |
| } |
| return null; |
| } |
| |
| window.onload = function(e) { |
| var cookie = readCookie("style"); |
| var title = cookie ? cookie : getPreferredStyleSheet(); |
| setActiveStyleSheet(title); |
| } |
| |
| window.onunload = function(e) { |
| var title = getActiveStyleSheet(); |
| createCookie("style", title, 365); |
| } |
| |
| var cookie = readCookie("style"); |
| var title = cookie ? cookie : getPreferredStyleSheet(); |
| setActiveStyleSheet(title); |