function submitForm(theform) {
  var status = AjaxRequest.submit(
    theform
    ,{
      'onSuccess':function(req){ 
		 if (req.responseText=="registrationok"){
			  $('checker').innerHTML="";
			 $('tablok').setStyle('visibility','visible');
			 $('tablo').setStyle('visibility','hidden');
		 }else{
			 $('checker').innerHTML="";
			$('email').value = req.responseText; 
			$('email').setStyle('color','RED');
		 }
	  }
	  ,'onLoading':function(req){ 
	  	$('checker').innerHTML="Checking";
		}
    }
  );
  return status;
}