var _____WB$wombat$assign$function_____ = function(name) {return (self._wb_wombat && self._wb_wombat.local_init && self._wb_wombat.local_init(name)) || self[name]; };
if (!self.__WB_pmw) { self.__WB_pmw = function(obj) { this.__WB_source = obj; return this; } }
{
  let window = _____WB$wombat$assign$function_____("window");
  let self = _____WB$wombat$assign$function_____("self");
  let document = _____WB$wombat$assign$function_____("document");
  let location = _____WB$wombat$assign$function_____("location");
  let top = _____WB$wombat$assign$function_____("top");
  let parent = _____WB$wombat$assign$function_____("parent");
  let frames = _____WB$wombat$assign$function_____("frames");
  let opener = _____WB$wombat$assign$function_____("opener");

/ JavaScript Document
$(document).ready(function(){ 
var headHeight=200;  /这个高度其实有更好的办法的。使用者根据自己的需要可以手工调整。
 
var nav=$(".y_bds"); 
$(window).scroll(function(){ 
 
if($(this).scrollTop()>headHeight){ 
nav.addClass("navFix"); 
} 
else{ 
nav.removeClass("navFix"); 
} 
}) 
})

}
/*
     FILE ARCHIVED ON 22:27:57 Nov 20, 2018 AND RETRIEVED FROM THE
     INTERNET ARCHIVE ON 12:38:50 Apr 10, 2025.
     JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
/*
playback timings (ms):
  captures_list: 0.616
  exclusion.robots: 0.03
  exclusion.robots.policy: 0.018
  esindex: 0.011
  cdx.remote: 41.301
  LoadShardBlock: 74.405 (3)
  PetaboxLoader3.datanode: 183.47 (4)
  load_resource: 320.481
  PetaboxLoader3.resolve: 114.899
*/