var z_RIGHT = "right";



var MARGIN_BOTTOM = 0;

var MARGIN_RIGHT = 0;



var currentItem = null;





var menuTrail = new Array();





var currentStyleOff = null;



function zon(item, level, styleOn, styleOff, submenuId, submenuPosition) {




  if (item.onmouseout == null) {

    item.onmouseout = startOffTimer;

  }



 

  stopOffTimer();





  if (currentItem != null) {

    if (styleOff != currentStyleOff && currentStyleOff != null) {

      currentItem.className = currentStyleOff;

    } else {

      currentItem.className = styleOff;

    }

  }





  currentItem = item;

  item.className = styleOn;

  currentStyleOff = styleOff;




  if (submenuId != null && document.getElementById(submenuId)) 

  {



    hide(level);





    var menu = document.getElementById(submenuId);



    if (submenuPosition == z_BOTTOM) {

      menu.style.top = findOffsetTop(item) + item.offsetHeight + MARGIN_BOTTOM;

      menu.style.left = findOffsetLeft(item);

    }



    if (submenuPosition == z_RIGHT) {

      menu.style.top = findOffsetTop(item);

      menu.style.left = findOffsetLeft(item) + item.offsetWidth + MARGIN_RIGHT;

    }



    menu.style.visibility = "visible";



    menuTrail[level] = menu;

  } else {



   

    hide(level);

  }



}







function hide(level) {

  for (var i = level; i < menuTrail.length; i++) {

    menuTrail[i].style.visibility = "hidden";

  }

}





var timerID = null;

var timerOn = false;

var timecount = 250;



function startOffTimer() {

  if (timerOn == false) {

    timerID = setTimeout("offAll()", timecount);

    timerOn = true;

  }

}



function stopOffTimer() {

  if (timerOn) {

    clearTimeout(timerID);

    timerID = null;

    timerOn = false;

  }

}



function offAll() {

  hide(0);

  

  if (currentStyleOff != null) {

    currentItem.className = currentStyleOff;

  }

 



}



function findOffsetLeft(obj){

  var curleft = 0;

  if (obj.offsetParent){

    while (obj.offsetParent){

      curleft += obj.offsetLeft;

      obj = obj.offsetParent;

    }

  } else if (obj.x) {

    curleft += obj.x;

  }



  return curleft;

}



function findOffsetTop(obj){

  var curtop = 0;

  if (obj.offsetParent)	{

    while (obj.offsetParent){

      curtop += obj.offsetTop;

      obj = obj.offsetParent;

    }

  }else if (obj.y){

    curtop += obj.y;

  }



  return curtop;

}