function showI(idx) {
 clearTimeout(timer);
 $("#s2").show();

 $("#s1").css("background-image", "url(/h/s"+iIDs[idx]+".jpg)");
 $("#s1 div").html(Dscs[idx]);

 $(".sln a").each(function(index) {
  $(this).removeClass("cur");
  if(iIDs.length - index - 1 == idx) $(this).addClass("cur");
 });

 $("#s2").fadeOut(1011, function() {
  $("#s2").css("background-image", "url(/h/s"+iIDs[idx]+".jpg)");
  $("#s2 div").html(Dscs[idx]);
 });

 var nxt = idx+1;
 if(nxt >= iIDs.length) nxt = 0;
 timer = setTimeout("showI("+nxt+")",5555);
}
function ipre() {
 for(var i=0; i < iIDs.length; i++) {
  $("<img/>")[0].src = "/h/s"+iIDs[i]+".jpg";
 }
}