function validate() {
if (document.getElementById("contactform").company.value == "" ){
  alert("Please enter a company name");
  return false;
  }

else if (document.getElementById("contactform").name.value == "" ) {
  alert("Please enter a name");
  return false;
  	}
	
else if (document.getElementById("contactform").telephone.value == "" ) {
  alert("Please enter an telephone number");
  return false;
  	}
	
else if (document.getElementById("contactform").email.value == "" ) {
  alert("Please enter an email address");
  return false;
  	}
	
else if (document.getElementById("contactform").message.value == "" ) {
  alert("Please enter a message");
  return false;
  	}
	
else if (document.getElementById("contactform").password.value == "" ) {
  alert("Please enter the authentication digits");
  return false;
  	}
  
 else {
 return true;
 }
 
}