/*
	jQuery Coda-Slider v1.1 - http://www.ndoherty.com/coda-slider
	
	Copyright (c) 2007 Niall Doherty
	
	Inspired by the clever folks at http://www.panic.com/coda
	Many thanks to Gian Carlo Mingati. Coda-Slider is a heavily modified version of his slideViewer, which can be found at  http://www.gcmingati.net/wordpress/wp-content/lab/jquery/imagestrip/imageslide-plugin.html
	
	Requirements:
	-  jQuery 1.2 ... available via  http://www.jquery.com
	-  jQuery easing plugin (1.2) ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- jQuery easing compatability plugin ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- CSS included in index.html
*/

jQuery(function(){
	jQuery("div.csw").prepend("<p class='loading'>Loading...<br /><img src='images/ajax-loader.gif' alt='loading...'/ ></p>");
});
var j = 0;
jQuery.fn.codaSlider = function(settings) {
	 settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 750,
     toolTip: false
  }, settings);
	return this.each(function(){
		var container = jQuery(this);
		// Remove the preloader gif...
		container.find("p.loading").remove();
		// Self-explanatory...
		container.removeClass("csw").addClass("stripViewer");
		// Get the width of a panel, set from CSS...
		var panelWidth = container.find("div.panel").width();
		// panelCount gives us a count of the panels in the container...
		var panelCount = container.find("div.panel").size();
		// Calculate the width of all the panels when lined up end-to-end...
		var stripViewerWidth = panelWidth*panelCount;
		// Use the above width to specify the CSS width for the panelContainer element...
		container.find("div.panelContainer").css("width" , stripViewerWidth);
		// Set the navWidth as a multiple of panelCount to account for margin-right on each li
		var navWidth = panelCount*2;
		
		// Specify the current panel.
		// If the loaded URL has a hash (cross-linking), we're going to use that hash to give the slider a specific starting position...
		/*if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
			var cPanel = parseInt(location.hash.slice(1));
			var cnt = - (panelWidth*(cPanel - 1));
			jQuery(this).find("div.panelContainer").css({ left: cnt });
		// Otherwise, we'll just set the current panel to 1...
		} else { 
			var cPanel = 1;
		};
		*/
		var cPanel = 1;
		
		// Create appropriate nav
		container.each(function(i) {
			
			// Create the Left and Right arrows
			jQuery(this).before("<div class='stripNavL' id='stripNavL" + j + "'><a href='#' title='Previous'></a><\/div>");
			jQuery(this).after("<div class='stripNavR' id='stripNavR" + j + "'><a href='#' title='Next'></a><\/div>");
			
			// Create the Tabs
			jQuery(this).before("<div class='stripNav' id='stripNav" + j + "'><ul><\/ul><\/div>");
			jQuery(this).find("div.panel").each(function(n) {
						jQuery("div#stripNav" + j + " ul").append("<li><a href='#" + (n+1) + "'><\/a><\/li>");												
			});
			
			// Tab nav
			jQuery("div#stripNav" + j + " a").each(function(z) {
				// Figure out the navWidth by adding up the width of each li
				navWidth += jQuery(this).parent().width();
				// What happens when a nav link is clicked
				jQuery(this).bind("click", function() {
					if(jQuery(".panel:animated").length==0 && !jQuery(this).hasClass("current"))	
					{
					
						jQuery(this).addClass("current").parent().parent().find("a").not(jQuery(this)).removeClass("current"); // wow!
						var cnt = - (panelWidth*z);

				

						
						prevPanel=cPanel;		
						cPanel = z + 1;
						jQuery(this).parent().parent().parent().next().find("div#p"+cPanel).css("left",panelWidth);
						
						jQuery(this).parent().parent().parent().next().find("div#p"+prevPanel).animate({ left: -panelWidth}, settings.easeTime, settings.easeFunc);
									
						jQuery(this).parent().parent().parent().next().find("div#p"+cPanel).animate({ left: 0}, settings.easeTime, settings.easeFunc);
					
					}
					
					
					//jQuery(this).parent().parent().parent().next().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				});
			});
			/*
			// Left nav
			jQuery("div#stripNavL" + j + " a").click(function(){
				if (cPanel == 1) {
					var cnt = - (panelWidth*(panelCount - 1));
					cPanel = panelCount;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("li:last a").addClass("current");
				} else {
					cPanel -= 1;
					var cnt = - (panelWidth*(cPanel - 1));
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().prev().find("a").addClass("current");
				};
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				location.hash = cPanel;
				return false;
			});
			
			// Right nav
			jQuery("div#stripNavR" + j + " a").click(function(){
				if (cPanel == panelCount) {
					var cnt = 0;
					cPanel = 1;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("a:eq(0)").addClass("current");
				} else {
					var cnt = - (panelWidth*cPanel);
					cPanel += 1;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().next().find("a").addClass("current");
				};
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				location.hash = cPanel;
				return false;
			});
			*/
			
		var prevPanel=null;
		
		setInterval(function(){if(jQuery(".panel:animated").length==0) jQuery("div#stripNavR0 a").trigger('click')},20000);
		
				jQuery("div#stripNavL" + j + " a").click(function(){
				
				
					if(jQuery(".panel:animated").length==0)
					{
					
						if (cPanel == 1) {
							var cnt = - (panelWidth*(panelCount - 1));
							cPanel = panelCount;
						prevPanel=1;
							jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("li:last a").addClass("current");
						} else {
						 prevPanel=cPanel;
							cPanel -= 1;
							var cnt = - (panelWidth*(cPanel - 1));
							jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().prev().find("a").addClass("current");
						};
		
						
			
					jQuery(this).parent().parent().find("div#p"+cPanel).css("left",panelWidth);
					jQuery(this).parent().parent().find("div#p"+prevPanel).animate({ left: -panelWidth}, settings.easeTime, settings.easeFunc);
								
					jQuery(this).parent().parent().find("div#p"+cPanel).animate({ left: 0}, settings.easeTime, settings.easeFunc);
					
					
									// Change the URL hash (cross-linking)...
						//location.hash = cPanel;
					}
				return false;
				
			});
			
		
			
			jQuery("div#stripNavR" + j + " a").click(function(){
			
			if(jQuery(".panel:animated").length==0)
			{
			
				
				if (cPanel == panelCount) {
					var cnt = 0;
					prevPanel=panelCount;
					
					cPanel = 1;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("a:eq(0)").addClass("current");
				} else {
					var cnt = - (panelWidth*cPanel);
					prevPanel=cPanel;
					cPanel += 1;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().next().find("a").addClass("current");
				};
				//jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
						
				
				jQuery(this).parent().parent().find("div#p"+cPanel).css("left",-panelWidth);
				
				
				jQuery(this).parent().parent().find("div#p"+prevPanel).animate({ left: panelWidth}, settings.easeTime, settings.easeFunc);
							
				jQuery(this).parent().parent().find("div#p"+cPanel).animate({ left: 0}, settings.easeTime, settings.easeFunc);
				
	
	
	
				// Change the URL hash (cross-linking)...
				//location.hash = cPanel;
			}
			return false;
		});
			
			
			// Same-page cross-linking
			jQuery("a.cross-link").click(function(){
				jQuery(this).parents().find(".stripNav ul li a:eq(" + (parseInt(jQuery(this).attr("href").slice(1)) - 1) + ")").trigger('click');
			});	
			
			// Set the width of the nav using the navWidth figure we calculated earlier. This is so the nav can be centred above the slider
			jQuery("div#stripNav" + j).css("width" , navWidth);
			
			// Specify which tab is initially set to "current". Depends on if the loaded URL had a hash or not (cross-linking).
			if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
				jQuery("div#stripNav" + j + " a:eq(" + (location.hash.slice(1) - 1) + ")").addClass("current");
			} else {
				jQuery("div#stripNav" + j + " a:eq(0)").addClass("current");
			}
			
		jQuery("div#stripNavR" + j + " a").trigger('click');
		});
		
		j++;
		
  });
};