var hintstat = 1;
 
function op(idx){
 sp = 'Toenail_Fungus_'+idx;
 document.getElementById(sp).style.visibility = "visible";
}

function cl(idx){
 sp = 'Toenail_Fungus_'+idx;
 document.getElementById(sp).style.visibility = "hidden";
}

function TurnONOFF(idf){
  statstr = 'hidden';
 if (idf == 1) {
  statstr = 'visible';
  }

var zx = 11;
for (x=1;x<zx;++x){
 sp = 'Toenail_Fungus_'+x;
 document.getElementById(sp).style.visibility = statstr;

}

  
}

function TurnHints(){
 if (hintstat == 1) {
  hintstat = 0;  
 }
 else{
  hintstat = 1;
 }
 
   TurnONOFF(hintstat)
}