var subMenus = new Array;
function getElementsByClassName( strClassName, obj ) {
    var ar = arguments[2] || new Array();
    var re = new RegExp("\\b" + strClassName + "\\b", "g");

    if ( re.test(obj.className) ) {
        ar.push( obj );
    }
    for ( var i = 0; i < obj.childNodes.length; i++ )
        getElementsByClassName( strClassName, obj.childNodes[i], ar );

    return ar;
}

function retrieveCookie( cookieName ) {
  /* retrieved in the format
  cookieName4=value; cookieName3=value; cookieName2=value; cookieName1=value
  only cookies for this domain and path will be retrieved */
  var cookieJar = document.cookie.split( "; " );
  for( var x = 0; x < cookieJar.length; x++ ) {
    var oneCookie = cookieJar[x].split( "=" );
    if( oneCookie[0] == escape( cookieName ) ) { return unescape( oneCookie[1] ); }
  }
  return null;
}

function setCookie( cookieName, cookieValue, lifeTime, path, domain, isSecure ) {
  if( !cookieName ) { return false; }
  if( lifeTime == "delete" ) { lifeTime = -10; } //this is in the past. Expires immediately.
  /* This next line sets the cookie but does not overwrite other cookies.
  syntax: cookieName=cookieValue[;expires=dataAsString[;path=pathAsString[;domain=domainAsString[;secure]]]]
  Because of the way that document.cookie behaves, writing this here is equivalent to writing
  document.cookie = whatIAmWritingNow + "; " + document.cookie; */
  document.cookie = escape( cookieName ) + "=" + escape( cookieValue ) +
    ( lifeTime ? ";expires=" + ( new Date( ( new Date() ).getTime() + ( 1000 * lifeTime ) ) ).toGMTString() : "" ) +
    ( path ? ";path=" + path : "") + ( domain ? ";domain=" + domain : "") +
    ( isSecure ? ";secure" : "");
  //check if the cookie has been set/deleted as required
  if( lifeTime < 0 ) { if( typeof( retrieveCookie( cookieName ) ) == "string" ) { return false; } return true; }
  if( typeof( retrieveCookie( cookieName ) ) == "string" ) { return true; } return false;
}

$(function() {
  var menus = getElementsByClassName('clkMenu', document.body);
  var currentHost = window.location.host;
  var arrHost = currentHost.split("\.");
  var toPosition = arrHost.length-3;
  var topHost = new Array;
  for(var i=arrHost.length-1; i > toPosition; --i) {
    topHost.unshift(arrHost[i]);
  }
  var finalHost = topHost.join(".");

  if(retrieveCookie('fv') != '1') {
    setCookie('clkmenuopen3', '3', null, '/', finalHost);
    setCookie('fv', '1', null, '/', finalHost);
  }

  for( var a = 0; a < menus.length; a++ ) {
    var menu = menus[a];
    var items = menu.childNodes;
    for( var b = 0; b < items.length; b++ ) {
      var item = items[b];
      var bits = item.childNodes;
      if( bits.length > 1 ) {
        item.className = item.className+" hasSubMenu"
        for( var c = 0; c < bits.length; c++ ) {
          var me = bits[c];
          subMenus.push(me);
          var nn   = me.tagName;
          if( nn == "undefined") {  } else // ignore
          if( nn == "A"  &&  me.id != "void") {
            var bikkit = retrieveCookie( 'clkmenuopen'+b );
            if( bikkit == b ) {
              me.className = me.className+" subMenuLinkOpen";
            } else {
              me.className = me.className+" subMenuLinkClosed";
            }
            me.href = "javascript:void(0);";
            me.name = b;
            me.onclick = function() {
              for(var o=0; o<subMenus.length; ++o) {
                var bit = subMenus[o];
                var n=bit.name;
                setCookie('clkmenuopen'+bit.name, '', -3600, '/', finalHost);
              }

              var parentkids = this.parentNode.childNodes;
              for( var n = 0; n < parentkids.length; n++ ) {
                var pk = parentkids[n];
                var nn = pk.tagName;
                if( nn != null && nn != "A" ) {
                  var submen = pk;
                }
              }
              var submenu = submen.style.display;
              if( submenu == "none" ) {
                this.className = this.className.replace(/subMenuLinkClosed/, "subMenuLinkOpen");
                //submen.style.display = "block";
                jQuery(submen).slideDown("fast");
                setCookie('clkmenuopen'+this.name, this.name, null, '/', finalHost);
              } else {
                this.className = this.className.replace(/subMenuLinkOpen/, "subMenuLinkClosed");
                //submen.style.display = "none";
                jQuery(submen).slideUp("fast");
                setCookie('clkmenuopen'+this.name, '', -3600, '/', finalHost);
              }
            }
          } else if( nn != null ) {
            me.className = me.className+" subMenu";
            var bikkit = retrieveCookie( 'clkmenuopen'+b );
            if( bikkit == b ) {
              //me.style.display = "block";
              jQuery(me).slideDown("fast");
            } else {
              //me.style.display = "none";
              jQuery(me).slideUp("fast");
            }
          }
        }
      }
    }
  }
});