function setActiveStyleSheet(title) {
  var i, a, main;
  var s = document.getElementById('small');
  var m = document.getElementById('medium');
  var l = document.getElementById('large');
  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 && document.getElementById(title)){
		  a.disabled = false;
		  var ss = s.getAttribute('src').indexOf ("on", 0) != -1 ? "on" : "off";
		  var ms = m.getAttribute('src').indexOf ("on", 0) != -1 ? "on" : "off";
		  var ls = l.getAttribute('src').indexOf ("on", 0) != -1 ? "on" : "off";
		  if(ss == 'on' && s.getAttribute('id') == title ){
			  s.setAttribute('src',s.getAttribute('src').replace('_off.','_on.'));
			  m.setAttribute('src',m.getAttribute('src').replace('_on.','_off.'));
			  l.setAttribute('src',l.getAttribute('src').replace('_on.','_off.'));
		  }else if(ms == 'on' && m.getAttribute('id') == title){
			  s.setAttribute('src',s.getAttribute('src').replace('_on.','_off.'));
			  m.setAttribute('src',m.getAttribute('src').replace('_off.','_on.'));
			  l.setAttribute('src',l.getAttribute('src').replace('_on.','_off.'));
		  }else if(ls == 'on' && l.getAttribute('id') == title){
			  s.setAttribute('src',s.getAttribute('src').replace('_on.','_off.'));
			  m.setAttribute('src',m.getAttribute('src').replace('_on.','_off.'));
			  l.setAttribute('src',l.getAttribute('src').replace('_off.','_on.'));
		  }
	  }
    }
  }
			  heightcheck();
  
}

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 loadEvent(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  heightcheck();
}

function unloadEvent(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

function heightcheck(){
	var listdiv = document.getElementById('listWrap');
	if(listdiv){
		$('.ltab').children().hasClass('.ac') ? $('#listWrap').css({'height':listheight('select')}) : $('#listWrap').css({'height':listheight('parts')});
	}
}

if(navigator.userAgent.indexOf('MSIE',0) != -1){
window.attachEvent('onload',loadEvent);
window.attachEvent('onunload',unloadEvent);
}else{
window.addEventListener('load',loadEvent,true);
window.addEventListener('unload',unloadEvent,true);
}

