var SUBMIT_APPLYNEWSLETTER = 'submitButton_ApplyNewsletter';
var TE_APPLYNEWSLETTER = 'teInput_ApplyNewsletter';
var NL_FORM = 'nl_form';

var MSG_APPLY_SUCCESS = "";
var MSG_ERROR_ADRESS = "Bitte prüfen Sie die E-Mail Adresse, sie muß dem Format \"max@mustermann.de\" entsprechen.";
var MSG_ERROR_ADRESS_EMPTY = "Bitte geben Sie Ihre E-Mail Adresse ein";

	function validateEmailadress(pValue) {
		var result = true;

		var lastDot = pValue.lastIndexOf('.');
		var at = pValue.search('@');

		if (at<=0 || lastDot<=0 || ((lastDot-1) <= at) || lastDot > pValue.length-3) {
			result = false;
		}
		return result;
	}

	function validateNl() {
		var result = false;
		var warn = "";

		var email = document.forms[NL_FORM].elements[TE_APPLYNEWSLETTER].value;
		if (email.length == 0) {
			warn = MSG_ERROR_ADRESS_EMPTY;
		}
		else {
			var valid = validateEmailadress(email);
			if (!valid) {
				warn = MSG_ERROR_ADRESS;
			}
		}
		if (warn) {
			alert(warn);
		}
		else {
			/* entweder zur standardanmeldung weiterleiten
			var url = String(window.location);
			var offset = "../../../";
			if (url.indexOf('index.php')) {
				offset = "../../";
			}
			window.location.href=offset+"ESAB/Service/Newsletter.php?email_apply="+email;
			oder direkt anmelden */
			var offset ="../../../";
			if (isIndexPage()) offset ="../../";
			openEsabPopup(offset+'Module/Newsletter/Newsletter_Registrierung_Popup.php?email_apply='+email,'Newsletter Registrierung');
			//result = true;
		}
		return result;
	}