function validateNewsletters(form){
	var filter=/^[A-Za-z][A-Za-z0-9_\.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
	
	var first	= form.first_name.value;
	var last	= form.last_name.value;
	var email	= form.email.value;
	if(first=="" || first=='First Name')
	{
		alert("First Name is required.");
		form.first_name.focus();
		return false;
	}
	if(last=="" || last=='Last Name')
	{
		alert("Last Name is required.");
		form.last_name.focus();
		return false;
	}
	if(email=="" || email=='Email')
	{
		alert("Email is required.");
		form.email.focus();
		return false;
	}
	else
	{
		if (!filter.test(email))
		{	
			alert("Please type a valid email");
			form.email.focus();
			return false;
		}
	}
	form.company.value = first + ' ' + last;
}