/*
	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
	
	Modified by M Ilagan 13/11/08
*/

var j = 0;
var lastCurr = "nav1";

jQuery.fn.codaSlider = function(settings) {
     settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 750,
     toolTip: false
  }, settings);
	return this.each(function(){
		var container = $(this);
		// Set the container and panels widths to document width
		$(".stripViewer").css({width: $(document).width()});
		$(".panel").css({width: $(".stripViewer").width()});
		// Get the width of a panel, set from CSS...
		var panelWidth = parseInt($(".stripViewer").css("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 (parseInt(returnLink(location.pathname)) <= panelCount) {
			$("#main-nav img[id="+lastCurr+"]").attr({src: "images/nav/" + lastCurr + "_1.png"});	
			var cPanel = parseInt(returnLink(location.pathname));
			if (location.pathname == "/contact-us")
				lastCurr = "nav4";
			else
				lastCurr = "nav"+cPanel;
			$("#main-nav img[id="+lastCurr +"]").attr({src: "images/nav/" + lastCurr + "_2.png"});
			var cnt = - (panelWidth*(cPanel - 1));
			$(this).find("div.panelContainer").css({ left: cnt });
		// Otherwise, we'll just set the current panel to 1...
		} else { 
			var cPanel = 1;
			lastCurr = "nav"+cPanel
		};
		
		// Create appropriate nav
		container.each(function(i) {
			// Tab nav
			$("#main-nav a").each(function(z) {
				$(this).click(function() {
					//$(this).addClass("current").parent("li").find("a").not($(this)).removeClass("current"); 
					$("#main-nav img[id="+lastCurr+"]").attr({src: "images/nav/" + lastCurr + "_1.png"}).parent("a").find(".nav-hover").css({display: "none", opacity: 0});
					lastCurr = $(this).children("img").attr("id");
					$(this).children("img").attr({src: "images/nav/nav"+(z+1)+"_2.png"})
					if ($(this).parent("li").hasClass("nav-last")) 
						var cnt = 0;
					else
						var cnt = -(panelWidth*z);
					cPanel = z + 1;
					$("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
					return false;
				});
				$(this).hover(function() {
					if (!($(this).children("img").attr("id") == lastCurr))
						//$(this).children("img").attr({src: "images/nav/" + $(this).children("img").attr("id") + "_2.png"});
						$(this).children(".nav-hover").css({display: "block", opacity: 0}).animate({opacity: 1}, 1000);
				}, function() {
					if (!($(this).children("img").attr("id") == lastCurr))
						//$(this).children("img").attr({src: "images/nav/" + $(this).children("img").attr("id") + "_1.png"});
						$(this).children(".nav-hover").animate({opacity: 0}, 1000);
				});
			});
			
			// Same-page cross-linking
			$("a.cross-link").click(function(){
				$(this).parents().find("#main-nav li a:eq(" + (parseInt(returnLink($(this).attr("href").slice(1))) - 1) + ")").trigger('click');
			});
		});
		
		j++;
  });
};

function returnLink(elem) {
	switch(elem) {
		case "/home":
			return 1;
			break;
		case "/about-us":
			return 2;
			break;
		case "/portfolio":
			return 3;
			break;
		case "/contact-us":
			return 1;
			break;
		default:
			return 1;
			break;
	}
}