function info() {
  var x,y,w,h;
  self.focus();   
  x = (990-437) / 2;
  y = (698-230) / 2;
  document.getElementById("infobox").style.left = x+'px';
  document.getElementById("infobox").style.top = y+'px';
  document.getElementById("infobox").style.display = "inline";
}

function infoclose() {
  document.getElementById("infobox").style.display = "none";
}

function restplatzopen() {
	document.getElementById('restplatz').style.display="inline";
	document.getElementById('menueRestplatz').style.display="none";
}

function restplatzclose() {
	document.getElementById('restplatz').style.display="none";
	document.getElementById('menueRestplatz').style.display="inline";
}

function notizopen() {
	document.getElementById('notiz').style.display="inline";	
}

function notizclose() {
	document.getElementById('notiz').style.display="none";	
}

function zimmerclose(id) {
	document.getElementById('zimmer'+id).style.visibility="hidden";	
}

function toggle(control,control2,control3,control4){
 if(on != 0)
  document.getElementById(on).style.display='none';
 if(document.getElementById(control).style.display=='none')
  document.getElementById(control).style.display='block';
 else
  document.getElementById(control).style.display='none';
 on = control;
 
 if(on2 != 0)
  document.getElementById(on2).style.display='none';
 if(document.getElementById(control2).style.display=='none')
  document.getElementById(control2).style.display='block';
 else
  document.getElementById(control2).style.display='none';
 on2 = control2;
 
 if(on3 != 0)
  document.getElementById(on3).style.display='none';
 if(document.getElementById(control3).style.display=='none')
  document.getElementById(control3).style.display='block';
 else
  document.getElementById(control3).style.display='none';
 on3 = control3;

if(on4 != 0)
  document.getElementById(on4).style.display='none';
 if(document.getElementById(control4).style.display=='none')
  document.getElementById(control4).style.display='block';
 else
  document.getElementById(control4).style.display='none';
 on4 = control4;
 
}