function leftnav_menu_init () {
	var blocks = document.getElementsByTagName("div");
	var menus = new Array();
	var submenu = null;
	
	for (var i = 0; i < blocks.length; i++)
		if (blocks[i].className.indexOf("leftnav_parent") != -1)
			menus[menus.length] = blocks[i];

	for (var i = 0; i < menus.length; i++) {
		submenu = menus[i].getElementsByTagName("div")[0];
		submenu.style.left = (submenu.parentNode.offsetWidth - 5) + "px";
		submenu.parentNode.onmouseover = function() { this.getElementsByTagName("div")[0].style.display = "block"; };
		submenu.parentNode.onmouseout = function() { this.getElementsByTagName("div")[0].style.display = "none"; };
	}
}

addEvent(window, "load", leftnav_menu_init);