$().ready(function(){
  countL1=$(".boxL1Switch").length;
  $("#navL1Next").click(nextL1);
  $("#navL1Prev").click(prevL1);
  
  $("#boxProducts p.productSubtitle").html($("#boxProducts img.productImage:first").attr('title'));
  $("#boxProducts img.productImage").mouseover(function(){
    $("#boxProducts p.productSubtitle").html($(this).attr('title'));
  });
  
});

function L1Show(i){
  $(".boxL1Switch.sel").fadeOut(400);
  $(".boxL1Switch.sel").removeClass("sel");
  $(".navIconL1.sel").hide();
  $(".navIconL1.sel").removeClass("sel");
  $("#L1_"+i).fadeIn(400);
  $("#L1_"+i).addClass("sel");
  $("#navIconL1_"+i).show();
  $("#navIconL1_"+i).addClass("sel");
}

function nextL1(){
  var nextI=parseInt($(".boxL1Switch.sel").attr("id").replace('L1_', ''))+1;
  if(nextI>countL1){
    L1Show(1);
  }else{
    L1Show(nextI);
  }
}

function prevL1(){
  var prevI=parseInt($(".boxL1Switch.sel").attr("id").replace('L1_', ''))-1;
  if(prevI<1){
    L1Show(countL1);
  }else{
    L1Show(prevI);
  }
}