function js_check()
{
	var firstname = document.getElementById("firstname").value;
	var lastname = document.getElementById("lastname").value;
	var email = document.getElementById("email").value;
	
	if (!firstname)
	{
		alert("Please enter First Name");
		return false;
	}
	else if (!lastname)
	{
		alert("Please enter Last Name");
		return false;
	}
	else if (!email)
	{
		alert("Please enter E-mail");
		return false;
	}
	return true;
}