/* ORIGINAL setActiveStyleSheet()
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;
    }
  }
}
*/
/* NEW setActiveStyleSheet() VERSION THAT CHANGES APPEARANCE OF LINKS */
function setActiveStyleSheet(title)
{
  var i, a, main, output_code;
 
  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;
    }
  }
  
  if (title.indexOf("default") != -1)
    output_code = "<a class=\"magnifier1selected\"></a><a class=\"magnifier2\" href=\"#\" onClick=\"setActiveStyleSheet('zoom2');\"></a><a class=\"magnifier3\" href=\"#\" onClick=\"setActiveStyleSheet('zoom3');\"></a>";
  else if (title.indexOf("zoom2") != -1)
    output_code = "<a class=\"magnifier1\" href=\"#\" onClick=\"setActiveStyleSheet('default');\"></a><a class=\"magnifier2selected\"></a><a class=\"magnifier3\" href=\"#\" onClick=\"setActiveStyleSheet('zoom3');\"></a>";
  else if (title.indexOf("zoom3") != -1)
    output_code = "<a class=\"magnifier1\" href=\"#\" onClick=\"setActiveStyleSheet('default');\"></a><a class=\"magnifier2\" href=\"#\" onClick=\"setActiveStyleSheet('zoom2');\"></a><a class=\"magnifier3selected\"></a>";
          
  document.getElementById('magnification').innerHTML = output_code;
}
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);