function openNewsletterSubscription(lang){
    var email = document.form_subscribe.email_address.value;
	var url = "http://services.spagoworld.org/form.do?agnCI=1&agnFN="+lang+"_doi";
	if(email != ''){
    url = url+ "&email="+email;
  }
	var name = "NewsletterSubscription";
	var specs = "width=500, height=350, left=100, top=100, toolbar=no, location=no, status=no, resizable=yes";
	window.open(url, name, specs, false);
}

function openWebinarSubscription(url){
	var name = "NewsletterSubscription";
	if (BrowserDetect.browser == "Firefox") {
		var specs = "width=580, height=480, left=100, top=100, toolbar=no, location=no, status=no, resizable=yes";
	} else {
		var specs = "width=580, height=530, left=100, top=100, toolbar=no, location=no, status=no, resizable=yes";
	}
	window.open(url, name, specs, false);
}