/*
	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
*/
var j = 0;
jQuery.fn.slideView = 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("img.ldrgif").remove();
		// Self-explanatory...
		container.removeClass("svw").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*14;
				
		// Create appropriate nav
		container.each(function(i) {
			
			// Create the Left and Right arrows
			jQuery(this).before("<div class='stripNavL' id='stripNavL" + j + "'><a href='#'>Left</a><\/div>");
			jQuery(this).after("<div class='stripNavR' id='stripNavR" + j + "'><a href='#'>Right</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 style='display:" + jQuery(this).attr("tabDisplay") + "'><a href='#"+ jQuery(this).attr("id").slice(2) +"' id='X" + jQuery(this).attr("id").slice(2) + "'>" + jQuery(this).attr("title") +"<\/a><\/li>");
			});

			// 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) {
				var cPanel = jQuery("div#stripNav" + j + " a").index(jQuery('#X'+location.hash.slice(1))[0])+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;
			};
			
			// 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() {
					jQuery(this).addClass("current").parent().parent().find("a").not(jQuery(this)).removeClass("current"); // wow!
					var cnt = - (panelWidth*z);
					cPanel = z + 1;
					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");
					var lastTab = jQuery(this).parent().parent().find("div.panel[tabDisplay='block']").size() 
				    jQuery(this).parent().parent().find("div.stripNav a:eq(" + lastTab + ")").addClass("current");	
				} else {
					cPanel -= 1;
					jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current");
					for(ind = cPanel-1; ind > -1; --ind){
						if(jQuery(this).parent().parent().find("div.panel:eq(" + ind + ")").attr("tabDisplay") == "block"){
							jQuery(this).parent().parent().find("div.stripNav a:eq(" + ind + ")").addClass("current");
							break;
						}
					}
					var cnt = - (panelWidth*(cPanel - 1));
				};
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				location.hash = jQuery(this).parent().parent().find("div.stripNav a.current").attr("id").slice(1);
				return false;
			});
			
			// Right nav
			jQuery("div#stripNavR" + j + " a").click(function(){
				if (cPanel == panelCount) {
					var cnt = 0;
					cPanel = 1;
					var changeTab = (jQuery(this).parent().parent().find("div.panel:eq(0)").attr("tabDisplay") == "block")
					if(changeTab){
						jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current");
						jQuery(this).parent().parent().find("div.stripNav a:eq(" + (cPanel - 1) + ")").addClass("current");										}
				} else {
					var cnt = - (panelWidth*cPanel);
					var changeTab = (jQuery(this).parent().parent().find("div.panel:eq(" + cPanel + ")").attr("tabDisplay") == "block")
					if(changeTab){
						jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current");
						jQuery(this).parent().parent().find("div.stripNav a:eq(" + cPanel + ")").addClass("current");											}
					cPanel += 1;			
				};
				//Scrolls
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				location.hash = jQuery(this).parent().parent().find("div.stripNav a.current").attr("id").slice(1);
				return false;
			});
			
			// Same-page cross-linking
			jQuery("a.cross-link").click(function(){
				jQuery(this).parents().find("div.stripNav ul li a#X" + (jQuery(this).attr("href").slice(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) {
				jQuery("div#stripNav" + j + " a#X" + (location.hash.slice(1))).addClass("current");
			} else {
				jQuery("div#stripNav" + j + " a:eq(0)").addClass("current");
			}
			
		});
		
		j++;
  });
};
function ChangeTab(thisObj, cPanel){
	var changeTab = (jQuery(thisObj).parent().parent().find("div.panel:eq(" + cPanel + ")").attr("tabDisplay") == "block")
	//selects tab
	if(changeTab){
		jQuery(thisObj).parent().parent().find("div.stripNav a.current").removeClass("current");
		jQuery(thisObj).parent().parent().find("div.stripNav a:eq(" + cPanel + ")").addClass("current");										}

}