/* Copyright (c) 2006 Brandon Aaron (http://brandonaaron.net)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*
* $LastChangedDate: 2007-07-21 18:44:59 -0500 (Sat, 21 Jul 2007) $
* $Rev: 2446 $
*
* Version 2.1.1
*/

(function($) {

    $.fn.bgIframe = $.fn.bgiframe = function(s) {
        // This is only for IE6
        if ($.browser.msie && /6.0/.test(navigator.userAgent)) {
            s = $.extend({
                top: 'auto', // auto == .currentStyle.borderTopWidth
                left: 'auto', // auto == .currentStyle.borderLeftWidth
                width: 'auto', // auto == offsetWidth
                height: 'auto', // auto == offsetHeight
                opacity: true,
                src: 'javascript:false;'
            }, s || {});
            var prop = function(n) { return n && n.constructor == Number ? n + 'px' : n; },
			    html = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="' + s.src + '"' +
			               'style="display:block;position:absolute;z-index:-1;' +
				               (s.opacity !== false ? 'filter:Alpha(Opacity=\'0\');' : '') +
						       'top:' + (s.top == 'auto' ? 'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')' : prop(s.top)) + ';' +
						       'left:' + (s.left == 'auto' ? 'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')' : prop(s.left)) + ';' +
						       'width:' + (s.width == 'auto' ? 'expression(this.parentNode.offsetWidth+\'px\')' : prop(s.width)) + ';' +
						       'height:' + (s.height == 'auto' ? 'expression(this.parentNode.offsetHeight+\'px\')' : prop(s.height)) + ';' +
						'"/>';
            return this.each(function() {
                if ($('> iframe.bgiframe', this).length == 0)
                    this.insertBefore(document.createElement(html), this.firstChild);
            });
        }
        return this;
    };

})(jQuery);

(function($) {
    /* hoverIntent by Brian Cherne */
    $.fn.hoverIntent = function(f, g) {
        // default configuration options
        var cfg = {
            sensitivity: 1,
            interval: 10,
            timeout: 0
        };
        // override configuration options with user supplied object
        cfg = $.extend(cfg, g ? { over: f, out: g} : f);

        // instantiate variables
        // cX, cY = current X and Y position of mouse, updated by mousemove event
        // pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
        var cX, cY, pX, pY;

        // A private function for getting mouse position
        var track = function(ev) {
            cX = ev.pageX;
            cY = ev.pageY;
        };

        // A private function for comparing current and previous mouse position
        var compare = function(ev, ob) {
            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
            // compare mouse positions to see if they've crossed the threshold
            if ((Math.abs(pX - cX) + Math.abs(pY - cY)) < cfg.sensitivity) {
                $(ob).unbind("mousemove", track);
                // set hoverIntent state to true (so mouseOut can be called)
                ob.hoverIntent_s = 1;
                return cfg.over.apply(ob, [ev]);
            } else {
                // set previous coordinates for next time
                pX = cX; pY = cY;
                // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
                ob.hoverIntent_t = setTimeout(function() { compare(ev, ob); }, cfg.interval);
            }
        };

        // A private function for delaying the mouseOut function
        var delay = function(ev, ob) {
            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
            ob.hoverIntent_s = 0;
            return cfg.out.apply(ob, [ev]);
        };

        // A private function for handling mouse 'hovering'
        var handleHover = function(e) {
            // next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
            var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
            while (p && p != this) { try { p = p.parentNode; } catch (e) { p = this; } }
            if (p == this) { return false; }

            // copy objects to be passed into t (required for event object to be passed in IE)
            var ev = jQuery.extend({}, e);
            var ob = this;

            // cancel hoverIntent timer if it exists
            if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }

            // else e.type == "onmouseover"
            if (e.type == "mouseover") {
                // set "previous" X and Y position based on initial entry point
                pX = ev.pageX; pY = ev.pageY;
                // update "current" X and Y position based on mousemove
                $(ob).bind("mousemove", track);
                // start polling interval (self-calling timeout) to compare mouse coordinates over time
                if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout(function() { compare(ev, ob); }, cfg.interval); }

                // else e.type == "onmouseout"
            } else {
                // unbind expensive mousemove event
                $(ob).unbind("mousemove", track);
                // if hoverIntent state is true, then call the mouseOut function after the specified delay
                if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout(function() { delay(ev, ob); }, cfg.timeout); }
            }
        };

        // bind the function to the two event listeners
        return this.mouseover(handleHover).mouseout(handleHover);
    };

})(jQuery);



/*
* Superfish v1.4.1 - jQuery menu widget
* Copyright (c) 2008 Joel Birch
*
* Dual licensed under the MIT and GPL licenses:
* 	http://www.opensource.org/licenses/mit-license.php
* 	http://www.gnu.org/licenses/gpl.html
*
* CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
*/

(function($) {
    $.superfish = {};
    $.superfish.o = [];
    $.superfish.op = {};
    $.superfish.defaults = {
        hoverClass: 'sfHover',
        pathClass: 'overideThisToUse',
        delay: 0,
        animation: { opacity: 'show' },
        speed: 'fast',
        oldJquery: false, /* set to true if using jQuery version below 1.2 */
        disableHI: false, /* set to true to disable hoverIntent usage */
        // callback functions:
        onInit: function() { },
        onBeforeShow: function() { },
        onShow: function() { }, /* note this name changed ('onshow' to 'onShow') from version 1.4 onward */
        onHide: function() { }
    };
    $.fn.superfish = function(op) {
        var bcClass = 'sfbreadcrumb',
			over = function() {
			    var $$ = $(this), menu = getMenu($$);
			    getOpts(menu, true);
			    clearTimeout(menu.sfTimer);
			    $$.showSuperfishUl().siblings().hideSuperfishUl();
			},
			out = function() {
			    var $$ = $(this), menu = getMenu($$);
			    var o = getOpts(menu, true);
			    clearTimeout(menu.sfTimer);
			    if (!$$.is('.' + bcClass)) {
			        menu.sfTimer = setTimeout(function() {
			            $$.hideSuperfishUl();
			            if (o.$path.length) { over.call(o.$path); }
			        }, o.delay);
			    }
			},
			getMenu = function($el) { return $el.parents('ul.superfish:first')[0]; },
			getOpts = function(el, menuFound) { el = menuFound ? el : getMenu(el); return $.superfish.op = $.superfish.o[el.serial]; },
			hasUl = function() { return $.superfish.op.oldJquery ? 'li[ul]' : 'li:has(ul)'; };

        return this.each(function() {
            var s = this.serial = $.superfish.o.length;
            var o = $.extend({}, $.superfish.defaults, op);
            o.$path = $('li.' + o.pathClass, this).each(function() {
                $(this).addClass(o.hoverClass + ' ' + bcClass)
					.filter(hasUl()).removeClass(o.pathClass);
            });
            $.superfish.o[s] = $.superfish.op = o;

            $(hasUl(), this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over, out)
			.not('.' + bcClass)
				.hideSuperfishUl();

            var $a = $('a', this);
            $a.each(function(i,elem) {
                var $li = $(elem).parents('li');
                $(elem).hover(function() { over.call($li); },function() { out.call($li); });
                //Old Code
                //$a.eq(i).focus(function() { over.call($li); }).blur(function() { out.call($li); });
            });

            o.onInit.call(this);

        }).addClass('superfish');
    };

    $.fn.extend({
        hideSuperfishUl: function() {
            var o = $.superfish.op,
				$ul = $('li.' + o.hoverClass, this).add(this).removeClass(o.hoverClass)
					.find('>ul').hide().css('visibility', 'hidden');
            o.onHide.call($ul);
            return this;
        },
        showSuperfishUl: function() {
            var o = $.superfish.op,
				$ul = this.addClass(o.hoverClass)
					.find('>ul:hidden').css('visibility', 'visible');
            o.onBeforeShow.call($ul);
            $ul.show();
            return this;
        }
    });

    $(window).unload(function() {
        $('ul.superfish').each(function() {
            $('li', this).unbind('mouseover', 'mouseout', 'mouseenter', 'mouseleave');
        });
    });
})(jQuery);


/*
* Apply superfish
*/

function applySuperfish() {
    //alert("applying superfish");
    $("#primary-nav")
		.superfish({
		    delay: 100,
		    speed: "fast"
		})
	.find(">li:has(ul)")
	.mouseover(function() {
	    $("ul", this).bgIframe({ opacity: false });
	})
	.find("a")
	.focus(function() {
	    $("ul", $("#primary-nav>li:has(ul)")).bgIframe({ opacity: false });
	});

    $("#primary-nav ul li:last").addClass("last");
}