function txtcopy( _t )
{
  HideMenus(1)
  if( ie4 )
    _t.createTextRange().execCommand("Copy")
  else
    alert( 'Use Ctrl-C to copy text' )
}

function txtpaste( _t )
{
  HideMenus(1)
  if( ie4 )
    _t.createTextRange().execCommand("Paste")
  else
    alert( 'Use Ctrl-V to paste text' )
}

function txtclear( _t )
{
  HideMenus(1)
  _t.value = ''
  _t.focus()
}

function txtedit()
{
  showEdit(1)
}

function under()
{
  HideMenus(1)
  alert( "Sorry, this function is under development." )
}