$(document).ready(function(){
 var delay = 6000;
 var transition = 3000;
 var last = 0;

 $('.store').css({
      background: "url(head-store.jpg)",
      width: "246px",
             height: "64px",
             top: "244px",
             left: "315px"
 }).show();

 store = function(){
  if(last == 0) {
   $('.store').fadeIn(transition);
   last = 1;
  }else{
   $('.store').fadeOut(transition);
   last = 0;
  }
  setTimeout( function(){store()}, delay);
 }
 store();
})