function rerender (x) {
w = 100 - (x);
$('header').setStyle({"width":w + '%'});
}

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 addnCss(name){
  var sizecss='/stylesheets/'+name+'.css';
  $('sizecss').writeAttribute('href',sizecss);
}

document.observe("dom:loaded", function() {
  $('container').select('a[href$=pdf]').each(function(link){
    link.writeAttribute({target:"_blank", title:"Javascript will open this PDF in a new window."});
    link.addClassName('pdf');
    if (link.up('li', 0)) link.up('li', 0).setStyle({"display":"block", "marginLeft":0})
  });
  
  $('container').select('a[href^=http://]').each(function(link){
    link.writeAttribute({target:"_blank", title:"Javascript will open this external link in a new window."});
    link.addClassName('external');
    link.removeClassName('pdf');
  });
  
  var fontsizer = '<ul id="fontsizer"><li id="size1"><img src="/images/size1.gif" title="normal font size"/></li><li id="size2" title="larger font size"><img src="/images/size2.gif"/></li><li id="size3" title="largest font size"><img src="/images/size3.gif"/></li></ul>';
  $('header').insert({"top":fontsizer});
  $$('#header li').each(function(li){
    li.observe('click', function(){
      createCookie("style", this.identify(), 365);
      addnCss(this.identify());
      //rerender(4)
    })
  })
  var cookie = readCookie("style");
  if (cookie != null) { 
    addnCss(cookie) 
  }  
});