var testresults
function checkemail(email)
{
	var x = email;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;
	if (filter.test(x)) testresults=true;
	else testresults=false;

	return(testresults)
}


function subscribe(form) {
	if (form.name.value.length==0) {
		alert("Please enter your name.")
		form.name.focus();
		return false;
	}
	if (!checkemail(form.email.value)) { 
		alert("Please enter a valid email address.")
		form.email.focus();
		return false;
	}
	else { form.submit(); }
}