function submit_form() 
{	
	var message = 'Gelieve volgende velden in te vullen : \n';
	var send = true;
	if (offerte_form.realname.value =="")
	{		
		message = message + '\n \t - naam ';
		send = false;
	}
	if (offerte_form.email.value =="")
	{		
		message = message + '\n \t - email';
		send = false;
	}
	if (offerte_form.aanvraagTxt.value =="")
	{		
		message = message + '\n \t - aanvraag';
		send = false;
	}
	
	if (send == false)
	{
		alert(message);
	}	
	 return send;
}

function clear_form() 
{
document.offerte_form.realname.focus();
document.offerte_form.realname.value= "";
document.offerte_form.adres.value= "";
document.offerte_form.woonplaats.value= "";
document.offerte_form.postcode.value= "";
document.offerte_form.telefoon.value= "";
document.offerte_form.email.value= "";
document.offerte_form.aanvraagTxt.value= "";

}