/*
	jQuery Coda-Slider v1.0 - 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 1.1 ... available via  http://www.jquery.com
	-  jQuery easing plugin (1.1) ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- CSS included in index.html
*/


jQuery(function(){
   jQuery("div.csw").prepend("<img src='images/svwloader.gif' class='ldrgif' alt='loading...'/ >"); 
});
var j = 0;
jQuery.fn.codaSlider = function(settings) {
	 settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 150,
     toolTip: false
  }, settings);
	return this.each(function(){
		var sVwidth = jQuery("#slide_center").width();
		jQuery("#slider1").css({width:sVwidth});
		var panelWidth = jQuery("#slide_center").width();
		var e1 =panelWidth / 2;
		e1 = Math.floor(e1);
		jQuery("div.panel").css({width:e1});
		var cnt = 0;
		var container = jQuery(this);
		// Remove the preloader gif...
		container.find("img.ldrgif").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 variable to keep track of what panel we're on;
		var cPanel = 1;
		// Set the navWidth as a multiple of panelCount to account for margin-right on each li
		var navWidth = panelCount*2;
		// Create appropriate nav
		container.each(function(i) {
			jQuery("#nv_left").addClass('active');
			jQuery("#nv_right").addClass('active');	
			// Tab nav
			// Left nav
			jQuery(".nav_left .active").click(function(){
				if (cPanel-1 <= 1) {
					var cnt = 0;
					cPanel = 1;
					//jQuery("#nv_left").css({display:"none"});
					//jQuery("#nv_right").css({display:"block"});
					
					jQuery("#nv_left").removeClass('active');
					jQuery("#nv_right").removeClass('inactive');
					jQuery("#nv_left").addClass('inactive');
					jQuery("#nv_right").addClass('active');
				} else {
					cPanel -= 1;
					var cnt = - (panelWidth*(cPanel - 1));
					jQuery("#nv_left").removeClass('inactive');
					jQuery("#nv_right").removeClass('inactive');
					jQuery("#nv_left").addClass('active');
					jQuery("#nv_right").addClass('active');
				};		
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime);
				return false;
			});
			
			// Right nav
			jQuery(".nav_right .active").click(function(){
				if (cPanel+2 >= panelCount) {
					var cnt = - (panelWidth*(panelCount - 2));
					cPanel = panelCount-1;
					//jQuery("#nv_right").css({display:"none"});
					//jQuery("#nv_left").css({display:"block"});
					
					jQuery("#nv_left").removeClass('inactive');
					jQuery("#nv_right").removeClass('active');
					jQuery("#nv_left").addClass('active');
					jQuery("#nv_right").addClass('inactive');
				} else {
					var cnt = - (panelWidth*cPanel);
					cPanel += 1;
					jQuery("#nv_left").removeClass('inactive');
					jQuery("#nv_right").removeClass('inactive');
					jQuery("#nv_left").addClass('active');
					jQuery("#nv_right").addClass('active');
				};
				jQuery(this).parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime);
				return false;
			});
			
		});
  }); 
};