/* Funktion fuer auftritte.php */
function displayDates(id) {
       if (id=="termine_sex") {
            document.getElementById(id).style.display = "block";
			document.getElementById('termine_diaet').style.display = "none";
			document.getElementById('termine_herz').style.display = "none";
			document.getElementById('termine_bestof').style.display = "none";
       } else if (id=="termine_diaet") {
		   	document.getElementById('termine_sex').style.display = "none";
           	document.getElementById(id).style.display = "block";
			document.getElementById('termine_herz').style.display = "none";
			document.getElementById('termine_bestof').style.display = "none";
       } else if (id=="termine_herz") {
			document.getElementById('termine_sex').style.display = "none";
			document.getElementById('termine_diaet').style.display = "none";
			document.getElementById(id).style.display = "block";
			document.getElementById('termine_bestof').style.display = "none";
       } else if (id=="termine_bestof") {
			document.getElementById('termine_sex').style.display = "none";
			document.getElementById('termine_diaet').style.display = "none";
			document.getElementById('termine_herz').style.display = "none";
            document.getElementById(id).style.display = "block";
       }
}

/* Einblenden des Bestellformulars */
function displayOrderform(id) {
         var bfid = "bestellformular" + id;
         var blid = "bestelllink" + id;
         document.getElementById(bfid).style.display = "block";
		 document.getElementById(blid).style.display = "none";
}


function checkBestellung() {
		if(document.bestellung.bestellung_email.value.indexOf('@') == -1 || document.bestellung.bestellung_email.value.indexOf('.') == -1){
			alert("Bitte überprüfen Sie die Email-Adresse!");
			document.bestellung.bestellung_email.focus();
		    return false;
		}
		return true;
}

function checkNewsletter() {
		if(document.nl_signup.nl_email.value.indexOf('@') == -1 || document.nl_signup.nl_email.value.indexOf('.') == -1){
			alert("Bitte überprüfen Sie die Email-Adresse!");
			document.nl_signup.nl_email.focus();
		    return false;
		}
		return true;
}