/*
        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;
                };

                // 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 class='tab" + (n+1) + "'><a href='#" + (n+1) + "'>" + jQuery(this).attr("title") + "<\/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() {
                                        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);
                                        if (cPanel == 2){
                                                document.getElementById('optionmoreimages').style.display='block';
                                        }else{
                                                document.getElementById('optionmoreimages').style.display='none';
                                        }
                                });
                        });

                        // 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)...
                                if (cPanel == 2){
                                        document.getElementById('optionmoreimages').style.display='block';
                                }else{
                                        document.getElementById('optionmoreimages').style.display='none';
                                }
                                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');
                        });

                        jQuery("li.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");
                                 document.getElementById('optionmoreimages').style.display='block';

                        } else {
                                jQuery("div#stripNav" + j + " a:eq(0)").addClass("current");


                        }

                });

                j++;
  });
};
