/* Public Script */

var nav_timeout = 100;
var nav_closetimer = 0;
var nav_item = 0;

$(document).ready(function(){
	$("#page_navigation .list").bind("mouseover", nav_open).bind("mouseout", nav_timer);
});

function nav_open(){
	nav_cleartimer();
	nav_close();
	nav_item = $(this).addClass("selected");
}

function nav_close(){
	if (nav_item){
		nav_item.removeClass("selected");
	}
}

function nav_timer(){
	nav_closetimer = window.setTimeout(nav_close, nav_timeout);
}

function nav_cleartimer(){
	if (nav_closetimer){
		window.clearTimeout(nav_closetimer);
		nav_closetimer = null;
	}
}