$(document).ready(function(){
	$("#sideMenu ul li").each(function(){
		$(this).css("height",$(this).height()+"px");
	});
$(function(){
 var handler = $("img.open"),
 menus = $("img.open").next();
 handler.click(function(){
  var currentMenu = $(this).next();
  if(currentMenu.is(':visible')){
   currentMenu.slideToggle();
   $(this).attr('src', $(this).attr("src").replace("_open.","_close.")); 
  }
  else {
   currentMenu.slideToggle();
   $(this).attr('src', $(this).attr("src").replace("_close.","_open.")); 
  }
 });
});
});