function image_preload(url)
{
	/* Preloading the tiny arrows for the sidebar links*/
	arrow = new Image(); 
	arrow.src = url+"images/elements/arrow_expanded.gif";
}

function show_hide_list(id, second_id, url)
{
	if (document.getElementById)
	{
		obj = document.getElementById(id);
		sec = document.getElementById(second_id);
		
		if (obj.style.display == "none")
		{
			obj.style.display = "";
			sec.innerHTML = "<img src=\""+url+"images/elements/arrow_down.gif\" />";
		}
		else
		{
			obj.style.display = "none";
			sec.innerHTML = "<img src=\""+url+"images/elements/arrow_right.gif\" />";
		}
	}
}