// window.onerror = stoperror;
 
function stoperror()
{
  return true;
}

function addEvent(obj, evType, fn)
{
  if (obj.addEventListener)
  {
    obj.addEventListener(evType, fn, false);
    return true;
  }
  else if (obj.attachEvent)
  {
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  }
  else
    return false;
}

function removeEvent(obj, evType, fn)
{
  if (obj.removeEventListener)
  {
    obj.removeEventListener(evType, fn, false);
    return true;
  }
  else if (obj.detachEvent)
  {
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  }
  else
    return false;
}


function getScrollTop()
{
	var dbst;

	if (document.documentElement && document.documentElement.scrollTop)
		dbst = document.documentElement.scrollTop;
	else
		dbst = document.body.scrollTop;

	return dbst;
}


function setScrollTop(dbst)
{
	if (document.documentElement)
		document.documentElement.scrollTop = dbst;

	document.body.scrollTop = dbst;
}


function getScrollLeft()
{
	var dbst;

	if (document.documentElement && document.documentElement.scrollLeft)
		dbst = document.documentElement.scrollLeft;
	else
		dbst = document.body.scrollLeft;

	return dbst;
}


function setScrollLeft(dbst)
{
	if (document.documentElement)
		document.documentElement.scrollLeft = dbst;

	document.body.scrollLeft = dbst;
}