function send() 
{ 
var email = document.email_us.elements[9].value; 
var subject = document.email_us.elements[10].value; 
var message = document.email_us.elements[11].value; 
var last = document.email_us.elements[4].value; 


subject = subject.replace(/^\s+|\s+$/g,"");  
message = message.replace(/^\s+|\s+$/g,"");  

if (last.length < 2) {
	alert('Please enter your last name.');
	document.email_us.elements[4].focus()
	return false;
}

if (email.length < 7) {
	alert('Please type your email.');
	document.email_us.elements[9].focus()
	return false;
}

if (subject.length < 4) {
	alert('Please type your subject.');
	document.email_us.elements[10].focus()
	return false;
}
	
if (message.length < 4) {
	alert('Please type your message.');
	document.email_us.elements[11].focus()
	return false;
}

return true;  // default so not required
}