function changeAccordian(toShow){
 if(document.getElementById('accordianEl'+toShow).style.display=='block'){
  document.getElementById('accordianEl'+toShow).style.display='none';
 } else {
  var startNumber=1;
  while(startNumber < 13){
   if(startNumber==toShow){
    document.getElementById('accordianEl'+startNumber).style.display='block';
   } else {
    document.getElementById('accordianEl'+startNumber).style.display='none';
   }
   startNumber++;
  }
 }
}