function processobj_div(yourimportedString) { 
    url = yourimportedString 
    if (window.XMLHttpRequest) { // Non-IE browsers 
      req = new XMLHttpRequest(); 
      req.onreadystatechange = targetDiv; 
      try { 
        req.open("GET", url, true); 
      } catch (e) { 
        alert(e); 
      } 
      req.send(null); 
    } else if (window.ActiveXObject) { // IE 
      req = new ActiveXObject("Microsoft.XMLHTTP"); 
      if (req) { 
        req.onreadystatechange = targetDiv; 
        req.open("GET", url, true); 
        req.send(); 
        } 
    } 
} 

function placeFocus() {
	if (document.forms.length > 0) {
	  var field = document.forms[0];
	for (i = 0; i < field.length; i++) {
	  if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
		document.forms[0].elements[i].focus();
		document.forms[0].elements[i].focus();
break;
		 }
      }
   }
}

function targetDiv() { 
    if (req.readyState == 4) { // Complete 
          if (req.status == 200) { // OK response 
              document.getElementById("content").innerHTML = req.responseText; 
			  placeFocus();
          } else { 
            alert("Problem: " + req.statusText); 
          } 
    } 
} 

function musikan() {
	document.getElementById('content').style.visibility = 'hidden';
	document.getElementById('content1').style.visibility = 'visible';
}

function musikaus() {
	document.getElementById('content1').style.visibility = 'hidden';
	document.getElementById('content').style.visibility = 'visible';
}

function an1() {
	document.getElementById('achtung').style.visibility = 'visible';
}

function an2() {
	document.getElementById('auftritt').style.visibility = 'visible';
}

function an3() {
	document.getElementById('neu').style.visibility = 'visible';
}

function aus() {
	document.getElementById('onopen').style.visibility = 'hidden';
	document.getElementById('achtung').style.visibility = 'hidden';
	document.getElementById('auftritt').style.visibility = 'hidden';
	document.getElementById('neu').style.visibility = 'hidden';
}

// Beginn Weihnachts-Script
var Dauer = 20000;						// Dauer in 1/1000 Sekunden
t = null;
function schliessen(){
t = setTimeout('aus()',Dauer);
}
// Ende Weihnachts-Script