jQuery.fn.extend({

    meerkat: function (options) {

        var defaults = {
            background: 'none',
            opacity: null,
            height: 'auto',
            width: '100%',
            position: 'bottom',
            close: '.close',
            dontShowAgain: '#dont-show',
            dontShowAgainAuto: false,
            animationIn: 'none',
            animationOut: null,
            easingIn: 'swing',
            easingOut: 'swing',
            animationSpeed: 'normal',
            cookieExpires: 365,
            removeCookie: '.removeCookie',
            delay: 0,
            onMeerkatShow: function () { },
            timer: null
        };

        var settings = jQuery.extend(defaults, options);


        if (jQuery.easing.def) {
            settings.easingIn = settings.easingIn;
            settings.easingOut = settings.easingOut;
        } else {
            settings.easingIn = 'swing';
            settings.easingOut = 'swing';
        }

        if (settings.animationOut === null) {
            settings.animationOut = settings.animationIn;
        }

        settings.delay = settings.delay * 1000;
        if (settings.timer != null) {
            settings.timer = settings.timer * 1000;
        }

        function createCookie(name, value, days) {
            if (days) {
                var date = new Date();
                date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
                var expires = "; expires=" + date.toGMTString();
            }
            else {
                var expires = "";
            }
            document.cookie = name + "=" + value + expires + "; path=/";
        }

        function readCookie(name) {
            var nameEQ = name + "=";
            var ca = document.cookie.split(';');
            for (var i = 0; i < ca.length; i++) {
                var c = ca[i];
                while (c.charAt(0) === ' ') c = c.substring(1, c.length);
                if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
            }
            return null;
        }

        function eraseCookie(name) {
            createCookie(name, "", -1);
        }
        jQuery(settings.removeCookie).click(function () { eraseCookie('meerkat02022012') });

        return this.each(function () {
            var element = jQuery(this);
            if (readCookie('meerkat02022012') != "dontshow") {
                settings.onMeerkatShow.call(this);

                function animateMeerkat(showOrHide, fadeOrSlide) {
                    var meerkatWrap = jQuery('#meerkat-wrap');
                    if (fadeOrSlide === "slide") {
                        if (settings.position === "left" || settings.position === "right") {
                            var animationType = 'width';
                        } else {
                            var animationType = 'height';
                        }
                    } else {
                        var animationType = "opacity";
                    }
                    var animationProperty = {};
                    animationProperty[animationType] = showOrHide;

                    if (showOrHide === "show") {
                        if (fadeOrSlide !== "none") {
                            if (settings.delay > 0) {
                                jQuery(meerkatWrap).hide().delay(settings.delay).animate(animationProperty, settings.animationSpeed, settings.easingIn);
                            } else {
                                jQuery(meerkatWrap).hide().animate(animationProperty, settings.animationSpeed, settings.easingIn);
                            }
                        } else if ((fadeOrSlide === "none") && (settings.delay > 0)) {
                            jQuery(meerkatWrap).hide().delay(settings.delay).show(0);
                        } else {
                            jQuery(meerkatWrap).show();
                        }
                        jQuery(element).show(0);
                    }

                    if (showOrHide === "hide") {
                        if (fadeOrSlide !== "none") {
                            if (settings.timer !== null) {
                                jQuery(meerkatWrap).delay(settings.timer).animate(animationProperty, settings.animationSpeed, settings.easingOut,
								  function () {
								      jQuery(this).destroyMeerkat();
								      if (settings.dontShowAgainAuto === true) { createCookie('meerkat02022012', 'dontshow', settings.cookieExpires); }
								  });
                            }
                            jQuery(settings.close).click(function () {
                                jQuery(meerkatWrap).stop().animate(animationProperty, settings.animationSpeed, settings.easingOut, function () { jQuery(this).destroyMeerkat(); });
                                createCookie('onceinsession', 'dontshowinthissession', settings.cookieExpires);
                                return false;
                            });
                            jQuery(settings.dontShowAgain).click(function () {
                                jQuery(meerkatWrap).stop().animate(animationProperty, settings.animationSpeed, settings.easingOut, function () { jQuery(this).destroyMeerkat(); });
                                createCookie('meerkat02022012', 'dontshow', settings.cookieExpires);
                                return false;
                            });
                        } else if ((fadeOrSlide === "none") && (settings.timer !== null)) {
                            jQuery(meerkatWrap).delay(settings.timer).hide(0).queue(function () {
                                jQuery(this).destroyMeerkat();
                            });
                        } else {
                            jQuery(settings.close).click(function () {
                                jQuery(meerkatWrap).hide().queue(function () {
                                    jQuery(this).destroyMeerkat();
                                });
                                return false;
                            });
                            jQuery(settings.dontShowAgain).click(function () {
                                jQuery(meerkatWrap).hide().queue(function () {
                                    jQuery(this).destroyMeerkat();
                                });
                                createCookie('meerkat02022012', 'dontshow', settings.cookieExpires);
                                return false;
                            });
                        }
                    }
                }


                jQuery('html, body').css({ 'margin': '0', 'height': 'auto', 'width': '100%' });
                jQuery(element).wrap('<div id="meerkat-wrap"><div id="meerkat-container"></div></div>');
                jQuery('#meerkat-wrap').css({ 'position': 'absolute', 'z-index': '10000000', 'width': settings.width, 'height': settings.height }).css(settings.position, "0");
                jQuery('#meerkat-container').css({ 'background': settings.background, 'height': settings.height });

                if (settings.position === "left" || settings.position === "right") { jQuery('#meerkat-wrap').css("top", 0); }

                if (settings.opacity != null) {
                    jQuery("#meerkat-wrap").prepend('<div class="opacity-layer"></div>');
                    jQuery('#meerkat-container').css({ 'background': 'transparent', 'z-index': '2', 'position': 'relative' });
                    jQuery(".opacity-layer").css({
                        'position': 'absolute',
                        'top': '0',
                        'height': '100%',
                        'width': '100%',
                        'background': settings.background,
                        "opacity": settings.opacity
                    });

                }
                if (jQuery.browser.msie && jQuery.browser.version <= 6) {
                    jQuery('#meerkat-wrap').css({ 'position': 'absolute', 'bottom': '-1px', 'z-index': '0' });
                    if (jQuery('#ie6-content-container').length == 0) {
                        jQuery('body').children()
						.filter(function (index) {
						    return jQuery(this).attr('id') != 'meerkat-wrap';
						})
					.wrapAll('<div id="ie6-content-container"></div>');
                        jQuery('html, body').css({ 'height': '100%', 'width': '100%', 'overflow': 'hidden' });
                        jQuery('#ie6-content-container').css({ 'overflow': 'auto', 'width': '100%', 'height': '100%', 'position': 'absolute' });
                        var bgProperties = document.body.currentStyle.backgroundColor + " ";
                        bgProperties += document.body.currentStyle.backgroundImage + " ";
                        bgProperties += document.body.currentStyle.backgroundRepeat + " ";
                        bgProperties += document.body.currentStyle.backgroundAttachment + " ";
                        bgProperties += document.body.currentStyle.backgroundPositionX + " ";
                        bgProperties += document.body.currentStyle.backgroundPositionY;
                        jQuery("body").css({ 'background': 'none' });
                        jQuery("#ie6-content-container").css({ 'background': bgProperties });
                    }
                    var ie6ContentContainer = document.getElementById('ie6-content-container');
                    if ((ie6ContentContainer.clientHeight < ie6ContentContainer.scrollHeight) && (settings.position != 'left')) {
                        jQuery('#meerkat-wrap').css({ 'right': '17px' });
                    }
                }

                switch (settings.animationIn) {
                    case "slide":
                        animateMeerkat("show", "slide");
                        break;
                    case "fade":
                        animateMeerkat("show", "fade");
                        break;
                    case "none":
                        animateMeerkat("show", "none");
                        break;
                    default:
                        alert('The animationIn option only accepts "slide", "fade", or "none"');
                }

                switch (settings.animationOut) {
                    case "slide":
                        animateMeerkat("hide", "slide");
                        break;

                    case "fade":
                        animateMeerkat("hide", "fade");
                        break;

                    case "none":
                        if (settings.timer != null) {
                            jQuery('#meerkat-wrap').delay(settings.timer).hide(0).queue(function () {
                                jQuery(this).destroyMeerkat();
                            });
                        }
                        jQuery(settings.close).click(function () {
                            jQuery('#meerkat-wrap').hide().queue(function () {
                                jQuery(this).destroyMeerkat();
                            });
                        });
                        jQuery(settings.dontShowAgain).click(function () {
                            jQuery('#meerkat-wrap').hide().queue(function () {
                                jQuery(this).destroyMeerkat();
                            });
                            createCookie('meerkat02022012', 'dontshow', settings.cookieExpires);
                        });
                        break;

                    default:
                        alert('The animationOut option only accepts "slide", "fade", or "none"');
                }
            } else {
                jQuery(element).hide();
            }
        });
    },
    destroyMeerkat: function () {
        jQuery('#meerkat-wrap').replaceWith(jQuery('#meerkat-container').contents().hide());
    }
});