$(document).ready(function()
{
	//slides the element with class "menu_body" when paragraph with class "menu_head" is clicked 
	$("#firstpane p.menu_head").toggle(function()
    {
		$(this).css({backgroundImage:"url(pic/commons/down.jpg)"}).next("div.menu_body").slideToggle(300).siblings("div.menu_body").slideUp("slow");
	},function(){
		$(this).css({backgroundImage:"url(pic/commons/up.jpg)"}).next("div.menu_body").slideToggle(300).siblings("div.menu_body").slideUp("slow");
	});
	//slides the element with class "menu_body" when mouse is over the paragraph
	
});