$(document).ready(function(){
	
	$("#about_ajoc ul").hide();
	
	$("div#about_ajoc p a").click(function(){
	$(this).parent().next("ul")
	.slideToggle("200").siblings("ul:visible").slideUp("400");
	return false;
	});
	
	
	//swap img
  var conf = {className : 'btn',postfix : '_hit'};
  var image_cache = new Object();
  $('img.'+conf.className).each(function(i) {
      var imgsrc = this.src;
      var dot = this.src.lastIndexOf('.');
      var imgsrc_on = this.src.substr(0, dot) +  conf.postfix + 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; });
    });
  
});