//   Formularüberprüfung
// ---------------------------------------------
	


	function validateEMail(str) {
		if (str.length <= 2)
			return false;
		if (str.indexOf('.') == -1)
			return false;
		if (str.indexOf('@') == -1)
			return false;
			
		return true;
	}



	function ueberpruefen() {
	

		if (document.forms[0].vorname.value == "") {
			alert("Please fill out the field Surname.");
			return false;
		}

		if (document.forms[0].name.value == "") {
			alert("Please fill out the field Name.");
			return false;
		}


		if (document.forms[0].email.value == "") {
		
			alert("Please fill out the field e-mail adress.");
			return false;
		}


		if (document.forms[0].email.value.indexOf("@") < 1 || document.forms[0].email.value.indexOf(".") < 1) {
		
			alert("Please indicate a correct e-mail adress.");
			return false;
		}


			
		
			return true;

	}