function _login()
{
  if( document.formMain.login.value != '' && document.formMain.passwd2.value != '' )
	{
	  document.formMain.action.value = 'login';	
	  document.formMain.passwd.value = hex_md5( hex_md5( document.formMain.login.value ) + hex_md5( document.formMain.passwd2.value ) );
	  document.formMain.login.value = '';
	  document.formMain.passwd2.value = '';		
		document.formMain.submit();
	}
}
function _logout()
{
	  document.formMain.action.value = 'logout';	
		document.formMain.submit();
}