function uloz_newsletter() {
	re = new RegExp("^[_a-zA-Z0-9\.\-]+@[_a-zA-Z0-9\.\-]+\.[a-zA-Z]{2,4}$"); 
	
	if(document.newsleter.email.value.length>5 && re.test(document.newsleter.email.value)) {
		
		mail = document.newsleter.email.value;
		
		if(XMLHttpRequestObjekt) {
			XMLHttpRequestObjekt.open("POST", "./ajax/newslatter.php");
			XMLHttpRequestObjekt.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			XMLHttpRequestObjekt.onreadystatechange = function() {
				
				if(XMLHttpRequestObjekt.readyState == 4 && XMLHttpRequestObjekt.status == 200) {
					jAlert('E-Mail bol uložený.', '');
				}
			}
			XMLHttpRequestObjekt.send("mail="+mail);
		}
		
		
	}
	else {
		jAlert('Nevyplnili ste korektne Váš e-mail.', 'Nastala chyba');
	}
	return false;
}