var OpenMenu=new Array();
var Timer=null;

function clearTimer()
  {
   if (Timer)
     {
      clearTimeout (Timer);
      Timer = null;
     }
  }

function setTimer()
  {
   Timer = window.setTimeout('CloseAll(0)', 250);
  }

function ShowMenu(id, left, level)
  {
   clearTimer();
   if (IExplorer4)
     return ShowMenuE(id, left, level);
   if (Netscape6)
     return ShowMenuN(id, left, level);
   return true;
  }

function ShowMenuE(id, left, level)
  {
   elem = eval (id);
   if (OpenMenu[level] && OpenMenu[level]!=elem)
     CloseAll(level);
   if (document.all.item(id) == null)
     return true;
   if (document.body.clientWidth - 748 > 0)
     elem.style.pixelLeft = parseInt((document.body.clientWidth-748)/2) + left;
   else
     elem.style.pixelLeft = left;
   elem.style.display = "block";
   elem.style.visibility = "visible";
//   window.alert (elem.offsetWidth);
   OpenMenu[level]=elem;
   return false;
  }

function ShowMenuN(id, left, level)
  {
   if (OpenMenu[level] && OpenMenu[level]!=id)
     CloseAll(level);
   elem = document.getElementById(id);
   if (elem == undefined)
     return true;
   if (window.innerWidth - 748 > 0)
     elem.style.left = parseInt((window.innerWidth-748)/2) + left-6;
   else
     elem.style.left = left;
   elem.style.visibility = "visible";
   elem.style.display = "block";
   OpenMenu[level]=id;
   return false;
  }

function CloseMenu(level)
  {
   if (IExplorer4)
     return CloseMenuE(level);
   if (Netscape6)
     return CloseMenuN(level);
   return true;
  }

function CloseMenuE(level)
  {
   if (OpenMenu[level])
     {
      OpenMenu[level].style.display = "none";
      OpenMenu[level].style.visibility = "hidden";
     }
   OpenMenu[level]=null;
  }

function CloseMenuN(level)
  {
   if (OpenMenu[level])
     {
      document.getElementById(OpenMenu[level]).style.visibility = "hidden";
      document.getElementById(OpenMenu[level]).style.display = "none";
     }
   OpenMenu[level]=null;
  }

function CloseAll(level)
  {
   clearTimer();
   for (i=level; i<OpenMenu.length; i++)
     CloseMenu(i);
  }

function GetYPos(elem)
  {
   var pos = elem.offsetTop;
   while (elem.offsetParent != null)
     {
      elem = elem.offsetParent;
      pos += elem.offsetTop;
      if (elem.tagName == 'BODY') break;
     }
   return pos;
  }  

function ScrollTo(which)
  {
   if (document.all.item(which) == null)
     return true;
   var elem = eval(which);
   targetPos=GetYPos(elem);
   docLength=GetYPos(docEndImg);
   if ((docLength-targetPos) > (document.body.clientHeight-Header.offsetHeight))
     document.body.scrollTop = targetPos-Header.offsetHeight;
   else 
     document.body.scrollTop = docLength-document.body.clientHeight;
   CloseAll(0);
   return false;
  }

function ScrollPriceHeader()
  {
   if (document.body.scrollTop>103)
     {
      Header.style.top = document.body.scrollTop-103;
      var i=0;
      while (elem=document.all.item("grouplist"+i++))
        elem.style.top = document.body.scrollTop+34; 
     }
   else
     {
      Header.style.top = 0;
      var i=0;
      while (elem=document.all.item("grouplist"+i++))
        elem.style.top = 137; 
     }
  }

function ShowHide(elem)
  {
   if (document.getElementById(elem).style.display == "none")
     document.getElementById(elem).style.display = "block";
   else
     document.getElementById(elem).style.display = "none";
  }