// Feedbackformular
function openFeedback(url) {
	window.open(url, "Feedback", "width=770,height=400,toolbar=no,location=yes,scrollbars=yes,menubar=yes,resizable=yes");
}

// Empfehlungsformular
function openEmpfehlung(url) {
	window.open(url, "Empfehlung", "width=770,height=400,toolbar=no,location=yes,scrollbars=yes,menubar=yes,resizable=yes");
}

function showEinleitung( id, aktion ) {
	if ( aktion == 1 )
      	document.getElementById(id).style.display = 'block';
   	else
      	document.getElementById(id).style.display = 'none';
}