/* 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){
				var $li = $a.eq(i).parents('li');
				$a.eq(i).focus(function(){over.call($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.animate(o.animation,o.speed,function(){ o.onShow.call(this); });
			return this;
		}
	});
	
	$(window).unload(function(){
		$('ul.superfish').each(function(){
			$('li',this).unbind('mouseover','mouseout','mouseenter','mouseleave');
		});
	});
})(jQuery);


/*
 * Apply superfish
 */ 

$(document).ready(function(){
	$("#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:has(ul) > a").addClass("has-sub");
});



/*Leave side nav lists open for sub pages*/
$(document).ready(function(){
	$("#secondary-nav ul li ul li.current").parent().parent().addClass("current").addClass("currentParent");
	$("#secondary-nav ul li ul li.current").parent().parent().parent().parent().addClass("selected");
});