var DAYS=30;
var num_of_skins = 3;

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 var 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 $(){
  var _1=new Array();
  for (var i=0; i< arguments.length; i++){
    var _3=arguments[i];
    if (typeof _3 == "string"){
      _3=document.getElementById(_3);
    };
    if (arguments.length == 1){
      return _3;
    };
    _1.push(_3);
  };
  return _1;
};

function getMySkin () {
  var a;
  for (var i = 0; i < num_of_skins; i++ ) {
    if ($("skinsw"+i).className == "active") {
      a = i;
    };
  };
  return a;
};

function setMySkin (num) {
  for (var i = 0; i < num_of_skins; i++ ) {
    $("skin"+i).disabled = true;
    $("skinsw"+i).className = (num != i) ? "" : "active";
  };
  $("skin"+num).disabled = false;
  createCookie("style",""+num+"",DAYS);
};

//setDefSkin();

window.onload=function()
{
  var p;
  if (p=readCookie("style"))
  {
    setMySkin(p);
  }
}

window.onunload=function()
{
  createCookie("style",""+getMySkin()+"",DAYS);
}