// JavaScript Document

function validate()
{
	name = getObject('name');
	if(name.value == '') {
		alert('Please enter your name');
		name.focus();
		return false;
	}
	
	email = getObject('email');
	if(email.value == '' 
	   || !email.value.match(/^([a-zA-Z0-9])+([.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)+$/)) {
		alert('Please enter a valid email address');
		email.focus();
		return false;
	}
	
	source = getObject('source');
	if(source.value == '') {
		alert('Please let us know how you found out about us');
		source.focus();
		return false;
	}
	
	topic = getObject('topic');
	if(topic.value == '') {
		alert('Please let us know which topic you are most interested in');
		topic.focus();
		return false;
	}
	
	return true;
}