function validate() {
	
var name = document.getElementById('name2');
	
var email = document.getElementById('email2');
	
var message = document.getElementById('message2');

var address = document.getElementById('address2');

var error = '';
	
	
if (name.value == '') {
		error += "Please enter your name.\n";
	}

apos=email.value.indexOf("@");
dotpos=email.value.lastIndexOf(".");

if (apos<1||dotpos-apos<2) {
		error += "Please enter a valid email address.\n";
	}
	
if (address.value == '') {
		error += "Please enter your address.\n";
	}

if (message.value == '') {
		error += "Please enter a message.";
	}

	
if (error != '') {

    alert(error);

   return false;

   } else {

  return true;

}

}