function openwnd( url, target, param, wnd , default_param)
{
  default_param = 'width=800,height=600,toolbar=0,status=0,scrollbars=0,top=20,left=20,screenY=20,screenX=20,resizable=0'
  param = (param) ? ','+param : '';
  param =  default_param + param
  wnd=open( url, target, param )
  wnd.focus()
  return wnd
}

function popupOpen()
{
  openwnd('','popup','scrollbars=no');
}