/*
 * Simple Image Slider
 * Read more at: http://stuff.nekhbet.ro/2009/06/23/simple-image-gallery-navigation-slider-plugin-in-jquery.html
 * Version: 1.0.1
 * Copyright (c) 2009 Trimbitas Sorin-Iulian
 * Free of use (personal and commercial) as long as you keep this header in the file
 * Requires: jQuery v1.3+
*/
;(function($) {

    var totalCount = 0, selector, options, firstPos = 0, isRunning = false;

    $.fn.Cor = function(settings) {
        debugger;
        settings = $.extend({}, $.fn.Cor.defaults, settings);
        selector = this.selector;
        options = settings;
        //get the number of images
        totalCount = $(selector + " div").size();

        //init
        _init();

        function _init() {
            //hide them all (with the exception of the first X images)
            $(selector + " div").each(function(i) {
                if (i >= options.display) {
                    this.style.display = "none";
                }
            });
            //put actions (onclick) on the buttons for navigation
            //left
            $("#" + options.leftID).click(function() {
                if (isRunning == false) {
                    _goLeft();
                }
            });
            $("#" + options.leftID).hover(function() {
                $(this).addClass("simple_slider_hover");
            }, function() {
                $(this).removeClass("simple_slider_hover");
            });
            //right
            $("#" + options.rightID).click(function() {
                if (isRunning == false) {
                    _goRight();
                }
            });
            $("#" + options.rightID).hover(function() {
                $(this).addClass("simple_slider_hover");
            }, function() {
                $(this).removeClass("simple_slider_hover");
            });
            $("#" + options.leftID).addClass("simple_slider_disabled");
            _checkNavigation();
        }




        function _goLeft() {
            isRunning = true;
            if (firstPos > 0) {
                //remove the last one
                $(selector + " div:eq(" + (firstPos + options.display - 1) + ")").fadeOut("slow", function() {
                    firstPos--;
                    //add one from the beginning
                    $(selector + " div:eq(" + (firstPos) + ")").fadeIn("slow", function() {
                        isRunning = false;
                        _checkNavigation();
                    });
                });
            } else {
                isRunning = false;
            }
        }

        function _goRight() {
            isRunning = true;
            if (firstPos + options.display < totalCount) {
                //remove the first one
                $(selector + " div:eq(" + firstPos + ")").fadeOut("slow", function() {
                    firstPos++;
                    //add one from the end
                    $(selector + " div:eq(" + (firstPos + options.display - 1) + ")").fadeIn("slow", function() {
                        isRunning = false;
                        _checkNavigation();
                    });
                });
            } else {
                isRunning = false;
            }
        }

        function _checkNavigation() {
            //left
            if (firstPos == 0) {
                $("#" + options.leftID).addClass("simple_slider_disabled");
            } else {
                $("#" + options.leftID).removeClass("simple_slider_disabled");
            }
            //right
            if ((firstPos + options.display) >= totalCount) {
                $("#" + options.rightID).addClass("simple_slider_disabled");
            } else {
                $("#" + options.rightID).removeClass("simple_slider_disabled");
            }
        }

    }

    $.fn.Cor.defaults = {
        display: 2,
        leftID: null,
        rightID: null
    };


})(jQuery);