// JavaScript Document
var v = document.location.toString()
if(v=='http://sklepkoszykarski.pl/'){
  document.getElementById("tab0").className="active";
}

for (i=8;i<=12;i++){
n='idc=id_'+i
  if(v.indexOf(n)>1){
    document.getElementById("id_"+i).className="active";
    }
}