function textsizeactive(){
	var textsizetools = document.getElementById("textsizetools");
	textsizetools.innerHTML = '<a href="#" id="text_m">M</a>&middot;<a href="#" id="text_l">L</a>&middot;<a href="#" id="text_xl">XL</a>';
}

function sizebuttons(){
	var textsizetools = document.getElementById("textsizetools").getElementsByTagName("a");
	for (var i = 0; i < textsizetools.length; i++){
		textsizetools[i].onclick = function(){setActiveStyleSheet(this.id);  return false;}
		}

}

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;
    }
  }
  createCookie("currentstyle", title, 365);
}

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 styleswitcher_onload(){
	var cookie = readCookie("currentstyle");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

function styleswitcher_unload(){
	var title = getActiveStyleSheet();
	createCookie("currentstyle", title, 365);
}

// To be run in the dispatcher

function styleswitcher(){
	
	styleswitcher_onload();	
	
	var cookie = readCookie("currentstyle");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);	
}