function checkAppointmentForm(){
  email=document.forms['appointment_request'].elements['email'].value;
  name=document.forms['appointment_request'].elements['name'].value;
  mobile=document.forms['appointment_request'].elements['mobile'].value;
  preferred_time=document.forms['appointment_request'].elements['time'].value;
  preferred_date=document.forms['appointment_request'].elements['day'].value;
  clinic=document.forms['appointment_request'].elements['clinic'].value;
  other2=document.forms['appointment_request'].elements['injury'].value;
  var  message = "Please enter:\n";
  var pass= true;
  if(name==""){
 	 pass = false;
	 message+=" - your name\n";
  }
  if(email==""){
 	 pass = false;
	 message+=" - your email\n";
  }
  if(mobile==""){
 	 pass = false;
	 message+=" - your mobile\n";
  }
  if(preferred_time==""){
 	 pass = false;
	 message+=" - your preferred time\n";
  }
   if(preferred_date==""){
 	 pass = false;
	 message+=" - your preferred day\n";
  }
   if(clinic==""){
 	 pass = false;
	 message+=" - your preferred clinic\n";
  }
  if(other2==""){
 	 pass = false;
	 message+=" - info on your injury / condition\n";
  }
  if(email!=""){
	  if(!validate(email)){
		 pass = false;
		 message+=" - a correct email\n";
	  }
  }
  if(pass){
  	return true;
  }
  else{
   alert(message);
  	return false;
  }
  alert(email);
}
function validate(email){
if ((email.indexOf('@',0)==-1) || (email.indexOf('.',0)==-1)) {
	return false;
}
  else {
    return true;
  }
}