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

function cShowHide(num)
{
  curStatus = document.getElementById('c'+num).style.display;
  if (curStatus != 'block')
  {
   	document.getElementById('c'+num).style.display='block';
    document.getElementById('f'+num).src='images03/open.gif';
  }
  else
  {
    document.getElementById('c'+num).style.display='none';
    document.getElementById('f'+num).src='images03/closed.gif';
  }
}
   
function nShow(num)
{
	document.getElementById('n'+num).style.display='block';
}
function nHide(num)
{
  document.getElementById('n'+num).style.display='none';
}