$(function() {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
});
$(function() {
	$.preLoadImages("/common_files/img/icon_link_arrow_w_o.png","/common_files/img/icon_link_arrow_o.png","/common_files/img/icon_arrow_shimei_o.png");
})