function validar(form) {
 
	if(document.getElementById('fname').value == "") {
		document.getElementById('fname').focus();
		alert("Sorry! 'First Name' is a field required");
		return false;
	}
	
	if(document.getElementById('lname').value == "") {
		document.getElementById('lname').focus();
		alert("Sorry! 'Last Name' is a field required");
		return false;
	}

	
	if(document.getElementById('email').value == "" || document.getElementById('email').value.indexOf(".") == -1 || document.getElementById('email').value.indexOf("@") == -1){
		alert("Sorry! Your 'E-mail' address is invalid");
		document.getElementById('email').focus();
		return false;
	}
	
	return true;
}