$(document).ready(function() {

  $("img.small").click(function(){
    setActiveStyleSheet('small');
  });
  $("img.normal").click(function(){
    setActiveStyleSheet('normal');
  });
  $("img.big").click(function(){
    setActiveStyleSheet('big');
  });
});


/* =========================================================

// styleswitcher.js

*/

function setActiveStyleSheet(title) {
  var i, a, main;
  if (title == "big"){
    $("body").css("font-size","medium");

  } else if (title == "normal"){
    $("body").css("font-size","80%");
  } else {
    $("body").css("font-size","x-small");
  }
  createCookie("style", title, 365);
}

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 "normal";
}

window.onload = function(e) {
  setActiveStyleSheet(readCookie("style"));
}