// menu settings
var timeout    = 500;
var closetimer = 0;
var menuitem = 0;

$(document).ready(function(){  
 	// current link
	linkSetup();
	
	//Execute the slideShow, set duration
	slideShow(4000);
	 
	// drop down
	if( $('#primary-nav')){
   		$('#primary-nav > li').bind('mouseover', nav_open);
   		$('#primary-nav > li').bind('mouseout',  nav_timer);
	}
	
});


function nav_open(){  
   nav_canceltimer();
   nav_close();
   menuitem = $(this).find('ul');//;.css('visibility', 'visible');
   menuitem.show();
}

function nav_close(){  
	if(menuitem){
		menuitem.hide();
	}
}

function nav_timer(){  
	closetimer = window.setTimeout(nav_close, timeout);
}

function nav_canceltimer(){  
	if(closetimer){  
		window.clearTimeout(closetimer);
      	closetimer = null;
	}
}
// clicking anywhere else
document.onclick = nav_close;


// current link
function linkSetup() {
	// current link (link to self + account for index files)
	var locationPath = filterPath(location.pathname);
	$("a[href]").each( function () {	
		var thisPath = filterPath(this.pathname);
		if (  locationPath == thisPath && (location.hostname == this.hostname) && !this.href.match(/(\?|#)/) ) { // ? eliminates cfm pages like schedule.cfm?var=3
			$(this).addClass('current');
		}
	
	});	
}
function filterPath(string) {  // used in current link below. could be moved to var re
  return string
	.replace(/^\//,'')
	.replace(/(index|default).[a-zA-Z]{3,4}$/,'')
	.replace(/\/$/,'');
 }
 
 


// slidechow

function slideShow(speed) {


	//append a LI item to the UL list for displaying caption
	$('ul.slideshow').append('<li id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></li>');

	//Set the opacity of all images to 0
	$('ul.slideshow li').css({opacity: 0.0});
	
	//Get the first image and display it (set it to full opacity)
	$('ul.slideshow li:first').css({opacity: 1.0});
	
	//Get the caption of the first image from REL attribute and display it
	$('#slideshow-caption h3').html($('ul.slideshow a:first').find('img').attr('title'));
	$('#slideshow-caption p').html($('ul.slideshow a:first').find('img').attr('alt'));
		
	//Display the caption
	$('#slideshow-caption').css({opacity: 0.7, bottom:0});
	
	//Call the gallery function to run the slideshow	
	var timer = setInterval('gallery()',speed);
	
	//pause the slideshow on mouse over
	$('ul.slideshow').hover(
		function () {
			clearInterval(timer);	
		}, 	
		function () {
			timer = setInterval('gallery()',speed);			
		}
	);
	
}

function gallery() {


	//if no IMGs have the show class, grab the first image
	var current = ($('ul.slideshow li.show')?  $('ul.slideshow li.show') : $('#ul.slideshow li:first'));

	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().attr('id') == 'slideshow-caption')? $('ul.slideshow li:first') :current.next()) : $('ul.slideshow li:first'));
		
	//Get next image caption
	var title = next.find('img').attr('title');	
	var desc = next.find('img').attr('alt');	
		
	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, 1000);
	
	//Hide the caption first, and then set and display the caption
	//$('#slideshow-caption').animate({bottom:-70}, 300, function () {
			//Display the content
			$('#slideshow-caption h3').html(title);
			$('#slideshow-caption p').html(desc);				
			//$('#slideshow-caption').animate({bottom:0}, 500);	
	//});		

	//Hide the current image
	current.animate({opacity: 0.0}, 1000).removeClass('show');

}