//Style Sheet Switcher version 1.1 Oct 10th, 2006 //Author: Dynamic Drive: http://www.dynamicdrive.com //Usage terms: http://www.dynamicdrive.com/notice.htm var manual_or_random="manual" //"manual" or "random" var randomsetting="3 days" //"eachtime", "sessiononly", or "x days (replace x with desired integer)". Only applicable if mode is random. //////No need to edit beyond here////////////// function getCookie(Name) { var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair if (document.cookie.match(re)) //if cookie found return document.cookie.match(re)[0].split("=")[1] //return its value return null } function setCookie(name, value, days) { var expireDate = new Date() //set "expstring" to either future or past date, to set or delete cookie, respectively var expstring=(typeof days!="undefined")? expireDate.setDate(expireDate.getDate()+parseInt(days)) : expireDate.setDate(expireDate.getDate()-5) document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/"; } function deleteCookie(name){ setCookie(name, "moot") } function setStylesheet(title, randomize){ //Main stylesheet switcher function. Second parameter if defined causes a random alternate stylesheet (including none) to be enabled var i, cacheobj, altsheets=[""] for(i=0; (cacheobj=document.getElementsByTagName("link")[i]); i++) { if(cacheobj.getAttribute("rel").toLowerCase()=="alternate stylesheet" && cacheobj.getAttribute("title")) { //if this is an alternate stylesheet with title cacheobj.disabled = true altsheets.push(cacheobj) //store reference to alt stylesheets inside array if(cacheobj.getAttribute("title") == title) //enable alternate stylesheet with title that matches parameter cacheobj.disabled = false //enable chosen style sheet } } if (typeof randomize!="undefined"){ //if second paramter is defined, randomly enable an alt style sheet (includes non) var randomnumber=Math.floor(Math.random()*altsheets.length) altsheets[randomnumber].disabled=false } return (typeof randomize!="undefined" && altsheets[randomnumber]!="")? altsheets[randomnumber].getAttribute("title") : "" //if in "random" mode, return "title" of randomly enabled alt stylesheet } function chooseStyle(styletitle, days){ //Interface function to switch style sheets plus save "title" attr of selected stylesheet to cookie if (document.getElementById){ setStylesheet(styletitle) setCookie("mysheet", styletitle, days) } } function indicateSelected(element){ //Optional function that shows which style sheet is currently selected within group of radio buttons or select menu if (selectedtitle!=null && (element.type==undefined || element.type=="select-one")){ //if element is a radio button or select menu var element=(element.type=="select-one") ? element.options : element for (var i=0; i