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")) {

    if(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;
}

function setStyle3() {
	var cookie = readCookie("style");
	if( cookie == "PA" ) {
		cookie = "textOnly";
	} else {
		cookie = "PA";
	}
	createCookie("style", cookie, 365);
	setActiveStyleSheet(cookie);
	showLink(cookie);
}

function showLink(cookie) {
	if( cookie == "PA" ) {
		document.getElementById("textOnly").style.display = "inline";
		document.getElementById("normalSite").style.display = "none";
	} else {
		document.getElementById("textOnly").style.display = "none";
		document.getElementById("normalSite").style.display = "inline";
	}	
}

window.onload = function(e) {
  var cookie = readCookie("style");
  if( cookie == null || cookie == "null") {
		title  = getPreferredStyleSheet();
	} else {
		title = cookie;
	}

  setActiveStyleSheet(title);
  showLink(title);
}

//window.onunload = function(e) {
//  var title = getActiveStyleSheet();
//  createCookie("style", title, 365);
//}



var cookie = readCookie("style");
var title = null;
if( cookie == null || cookie == "null") {
	title  = getPreferredStyleSheet();
} else {
	title = cookie;
}