// Plugin created by Brock Nusser - http://mlamenu.blogspot.com/



$(function () {

	var collapse = new Boolean();

	//setup - all values in pixels

	var navWidth = 190;

	var ulIndent = 10;

		var ulMargin = 0;

	collapse = true;

	//end setup

	

	$('#nav').css('width', navWidth + 'px');

	$('#nav ul').css('width', navWidth + 'px');

	$('#nav ul').css('margin-left', ulIndent + 'px');





	$('#nav a').each(function () {

		var level = $(this).parents('ul').length;

		var liWidth = navWidth - (ulIndent * level);

		$(this).parent('li').css('width', liWidth + 'px');

	});

	

	//Required Section

    var slideSpeed = 'normal'; // 'slow', 'normal', 'fast', or miliseconds 

	$('#nav a').each(function () {

        var thisHref = $(this).attr('href')

		if ((window.location.pathname.indexOf(thisHref) == 0) || (window.location.pathname.indexOf('/' + thisHref) == 0)) {

            $(this).addClass('Current');

        }

    });

    

	$('.Current').parent('li').children('ul').show();

    $('.Current').parents('ul').show();

    

    $('#nav a').click(function () {

        if ($(this).parent('li').children('ul').html() != null) {

			if(collapse){$(this).parent('li').parent('ul').children('li').children('ul').hide(slideSpeed);}

            if ($(this).parent('li').children('ul').css('display') == "block") {

                $(this).parent('li').children('ul').hide(slideSpeed);

            } else {

                $(this).parent('li').children('ul').show(slideSpeed);

            }

            return false;

        }

	

    });



    $('#nav li').click(function () {

        if ($(this).children('a').length == 0) {

            if ($(this).children('ul').html() != null) {

                $(this).parent('ul').children('li').children('ul').hide(slideSpeed);

                if ($(this).children('ul').css('display') == "block") {

                    $(this).children('ul').hide(slideSpeed);

                } else {

                    $(this).children('ul').show(slideSpeed);

                }

            }

        } 

    });

	//End Required Section



	//Optional Section - Show Carrots

    var imgOffClosed = "url(../images/imgOffClosed.gif) no-repeat 5px ";

    var imgOnClosed = "url(../images/imgOnClosed.gif) no-repeat 5px ";

    var imgOnOpen = "url(../images/imgOnOpen.gif) no-repeat 5px ";

    var charBeforeLB = 18; //characters before line break - you must calculate this - based on font-size and LI width;

	var paddingBig = 5; //push carrot arrow down (in pixels) when no there is a line break in the LI

    var paddingSmall = 8;  //push carrot arrow down (in pixels) when no there is no line break in the LI

    var maxLIHeight = 50; // max height of LI when list is closed



    $('#nav > li').each(function () {



        var childText = $(this).children('a').text();

        var topPadding = paddingBig;

        if (childText.length < charBeforeLB) { topPadding = paddingSmall; }

        if ($(this).height() < maxLIHeight) {//list is closed



            if ($(this).children('a').attr('class') == "Current") {

                $(this).css('background', imgOnClosed + topPadding + "px");

            } else {

                $(this).css('background', imgOffClosed + topPadding + "px");

            }



            if ($(this).children('a').attr('class') != "Current") {

                $(this).hover(function () {

                    if ($(this).height() < maxLIHeight) { 

						$(this).css('background', imgOnClosed + topPadding + "px"); 

					}

                },

                function () {

                    if ($(this).height() < maxLIHeight) { 

						$(this).css('background', imgOffClosed + topPadding + "px"); 

					}

                });

            }

        }

        else {// list is open

            $(this).css('background', imgOnOpen + topPadding + "px");

        }



        $(this).children('a').click(function () {

            $('#nav > li').each(function () {

                var childText = $(this).children('a').text();

                var topPadding = paddingBig;

                if (childText.length < charBeforeLB) { topPadding = paddingSmall; }

                if ($(this).children('a').attr('class') == 'Current') {

                    $(this).css('background', imgOnClosed + topPadding + "px");

                } else {

                    $(this).css('background', imgOffClosed + topPadding + "px");

                }

            });

            var liHeight = $(this).parent('li').height();

            if ($(this).parent('li').children('ul').length > 0) {

                if (liHeight < maxLIHeight) { 

					$(this).parent('li').css('background', imgOnOpen + topPadding + "px");

				} else { 

					$(this).parent('li').css('background', imgOnClosed + topPadding + "px"); 

				}

            }



        });

    });

	//End Optional Section

});