var status = 7;
var zeit = 6000;

function ChangeDiv(){ 
  if (status == 1){
    div7.style.display='none';
    div6.style.display='none';
    div5.style.display='none';
    div4.style.display='none';
    div3.style.display='none';
    div2.style.display='none';
    div1.style.display='block';
    status = 7;
  }else if (status == 2){
    div7.style.display='none';
    div6.style.display='none';
    div5.style.display='none';
    div4.style.display='none';
    div3.style.display='none';
    div2.style.display='block';
    div1.style.display='none';
    status = 1;
  }else if (status == 3){
    div7.style.display='none';
    div6.style.display='none';
    div5.style.display='none';
    div4.style.display='none';
    div3.style.display='block';
    div2.style.display='none';
    div1.style.display='none';
    status = 2; 
  }else if (status == 4){
    div7.style.display='none';
    div6.style.display='none';
    div5.style.display='none';
    div4.style.display='block';
    div3.style.display='none';
    div2.style.display='none';
    div1.style.display='none';
    status = 3; 
  }else if (status == 5){
    div7.style.display='none';
    div6.style.display='none';
    div5.style.display='block';
    div4.style.display='none';
    div3.style.display='none';
    div2.style.display='none';
    div1.style.display='none';
    status = 4;
   }else if (status == 6){
    div7.style.display='none';
    div6.style.display='block';
    div5.style.display='none';
    div4.style.display='none';
    div3.style.display='none';
    div2.style.display='none';
    div1.style.display='none';
    status = 5;  
  } else {
    div7.style.display='block';
    div6.style.display='none';
    div5.style.display='none';
    div4.style.display='none';
    div3.style.display='none';
    div2.style.display='none';
    div1.style.display='none';
    status = 6;
  } 
  setTimeout("ChangeDiv()", zeit); 
}

function ChangeRefBox(){
  div1=document.getElementById('ref1');
  div2=document.getElementById('ref2');
  div3=document.getElementById('ref3');
  div4=document.getElementById('ref4');
  div5=document.getElementById('ref5');
  div6=document.getElementById('ref6');
  div7=document.getElementById('ref7');
  div1.style.display='none';
  div2.style.display='none';
  div3.style.display='none';
  div4.style.display='none';
  div5.style.display='none';
  div6.style.display='none';
  div7.style.display='none';
  ChangeDiv();
}