function showHideTopicText(topicElement){
	var status = document.getElementById(topicElement).style.display;
	if(status == "none"){
		document.getElementById(topicElement).style.display = 'block'
	}else{
		document.getElementById(topicElement).style.display = 'none'
	}
	///alert(status);
}

function showTopicText(topicElement){
	var status = document.getElementById(topicElement).style.display;
	if(status == 'none'&& topicElement == 'halle'){
		document.getElementById(topicElement).style.display = 'block'
		document.getElementById('trainer').style.display = 'none'
	}else if(status == 'none'&& topicElement == 'trainer'){
		document.getElementById(topicElement).style.display = 'block'
		document.getElementById('halle').style.display = 'none'
	}
	///alert(status);
}

//function showTopicText(topicElement){
//  document.getElementById(topicElement).style.display = 'block'
	///alert(status);
//}

function hideTopicText(topicElement){
  document.getElementById(topicElement).style.display = 'none'
	///alert(status);
}

function showAndHideTopicText(topicElement1, topicElement2){
	var status1 = document.getElementById(topicElement1).style.display;
	alert("Status"+status);
//	var status2 = document.getElementById(topicElement2).style.display;
	if(status1 == "none"){
		document.getElementById(topicElement1).style.display = 'block';
		document.getElementById(topicElement2).style.display = 'none';
	}else{
		document.getElementById(topicElement1).style.display = 'none';
		document.getElementById(topicElement2).style.display = 'block';
	}
	///alert(status);
}

function change (wo,was){
  wo.style.backgroundColor=was;
}

function openWindow (Adresse) {
  TVLFenster = window.open(Adresse, "tvlpopup", "width=478,height=400,left=100,top=200");
  TVLFenster.focus();
}