// JavaScript Document
var ajax = new sack();

function doit(form){
	
	if(form.email.value==''){
		alert ('U bent vergeten om uw e-mailadres in te vullen.');
		form.email.focus();
		return false;
	}
	if (form.email.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) == -1) {
		alert ('U heeft een ongeldig e-mailadres ingevuld.');
		form.email.focus();
		return false;
	}

	ajax.setVar("email", form.email.value);
	ajax.setVar("required", form.required.value);
	ajax.setVar("onderdeel", form.onderdeel.value);
	ajax.requestFile = "includes/aanmeldenNieuwsbrief.asp";
	ajax.method = "post";
	ajax.element = 'nieuwsbriefMelding';
	ajax.runAJAX();
}