/* ****************************************************************** 

	COPYRIGHT(C) HISCORE.
	URL: http://www.hiscore.jp/

****************************************************************** */
$(function() {
		rolloverImages();
		tabmenuImages();
});

function rolloverImages() {
  var image_cache = new Object();
  $("img.swap").each(function(){
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).hover(
      function(){ this.src = imgsrc_on; },
      function(){ this.src = imgsrc; });
  });
}

function tabmenuImages() {
  var image_cache = new Object();
  $("img.tabmenu").each(function(){
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
	var imgsrc_view = this.src.substr(0, dot) + '_view' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).hover(
      function(){ this.src = imgsrc_on;},
      function(){ this.src = imgsrc;});
    $(this).click(
      function(){ this.src = imgsrc_view;});
	});
}