var timeout         = 300;
var closetimer		= 0;
var navmenuitem      = 0;

function jsNav_open()
{	jsNav_canceltimer();
	jsNav_close();
	navmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

function jsNav_close()
{	if(navmenuitem) navmenuitem.css('visibility', 'hidden');}

function jsNav_timer()
{	closetimer = window.setTimeout(jsNav_close, timeout);}

function jsNav_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function() {
	
	if ($("#jsTopNav").length > 0) {
		$('#jsTopNav > li').bind('mouseover', jsNav_open);
		$('#jsTopNav > li').bind('mouseout',  jsNav_timer);
	}
	if ($(".png").length > 0) {
		$(document).pngFix(); 
	}

	$("#expand_body").slideUp(0);
	$("#expand_body_2").slideUp(0);
	$("#expand_body_3").slideUp(0);
	$("#expand_body_4").slideUp(0);
	$("#expand_body_5").slideUp(0);

	$('#expand').click(function() {
		var img_path = $('#expand_img').attr("src");
		$("#expand_body").slideToggle(400);

		if ($('#expand_img').attr("src").indexOf("button-minor.gif") > -1) {
			img_path = img_path.replace("button-minor.gif","button-plus.gif");
		} else {
			img_path = img_path.replace("button-plus.gif","button-minor.gif");
		}
		$('#expand_img').attr("src",img_path);
	});

	$('#expand_2').click(function() {
		var img_path = $('#expand_img_2').attr("src");
		$("#expand_body_2").slideToggle(400);

		if ($('#expand_img_2').attr("src").indexOf("button-minor.gif") > -1) {
			img_path = img_path.replace("button-minor.gif","button-plus.gif");
		} else {
			img_path = img_path.replace("button-plus.gif","button-minor.gif");
		}
		$('#expand_img_2').attr("src",img_path);
	});

	$('#expand_3').click(function() {
		var img_path = $('#expand_img_3').attr("src");
		$("#expand_body_3").slideToggle(400);

		if ($('#expand_img_3').attr("src").indexOf("button-minor.gif") > -1) {
			img_path = img_path.replace("button-minor.gif","button-plus.gif");
		} else {
			img_path = img_path.replace("button-plus.gif","button-minor.gif");
		}
		$('#expand_img_3').attr("src",img_path);
	});

	$('#expand_4').click(function() {
		var img_path = $('#expand_img_4').attr("src");
		$("#expand_body_4").slideToggle(400);

		if ($('#expand_img_4').attr("src").indexOf("button-minor.gif") > -1) {
			img_path = img_path.replace("button-minor.gif","button-plus.gif");
		} else {
			img_path = img_path.replace("button-plus.gif","button-minor.gif");
		}
		$('#expand_img_4').attr("src",img_path);
	});

	$('#expand_5').click(function() {
		var img_path = $('#expand_img_5').attr("src");
		$("#expand_body_5").slideToggle(400);

		if ($('#expand_img_5').attr("src").indexOf("button-minor.gif") > -1) {
			img_path = img_path.replace("button-minor.gif","button-plus.gif");
		} else {
			img_path = img_path.replace("button-plus.gif","button-minor.gif");
		}
		$('#expand_img_5').attr("src",img_path);
	});
   
});

document.onclick = jsNav_close;