function tab(tabId, tabC){
for(i=1; i <= 3; i++){
   if ("tabId"+i==tabId){
    document.getElementById(tabId).className="current";
   }else{
    document.getElementById("tabId"+i).className="";
   }
   if ("tabC"+i==tabC){
    document.getElementById(tabC).className="show";
   }else{
    document.getElementById("tabC"+i).className="hidden";
   }
}
}

function tabb(tabIdd, tabCC){
for(i=1; i <= 4; i++){
   if ("tabIdd"+i==tabIdd){
    document.getElementById(tabIdd).className="current";
   }else{
    document.getElementById("tabIdd"+i).className="";

   }
   if ("tabCC"+i==tabCC){
    document.getElementById(tabCC).className="show";
   }else{
    document.getElementById("tabCC"+i).className="hidden";
   }
}
}