jQuery.iFisheye = {
    build: function (options) {
        return this.each(function () {
            var el = this;
            el.fisheyeCfg = {
                items: jQuery(options.items, this),
                container: jQuery(options.container, this),
                pos: jQuery.iUtil.getPosition(this),
                itemWidth: options.itemWidth,
                itemsText: options.itemsText,
                proximity: options.proximity,
                valign: options.valign,
                halign: options.halign,
                maxWidth: options.maxWidth
            };
            jQuery.iFisheye.positionContainer(el, 0);
            jQuery(window).bind('resize', function () {
                el.fisheyeCfg.pos = jQuery.iUtil.getPosition(el);
                jQuery.iFisheye.positionContainer(el, 0);
                jQuery.iFisheye.positionItems(el);
            });
            jQuery.iFisheye.positionItems(el);
            jQuery(document).bind('mousemove', function (e) {
                var pointer = jQuery.iUtil.getPointer(e);
                var toAdd = 0;
                if (el.fisheyeCfg.halign && el.fisheyeCfg.halign == 'center') var posx = pointer.x - el.fisheyeCfg.pos.x - (el.offsetWidth - el.fisheyeCfg.itemWidth * el.fisheyeCfg.items.size()) / 2 - el.fisheyeCfg.itemWidth / 2;
                else if (el.fisheyeCfg.halign && el.fisheyeCfg.halign == 'right') var posx = pointer.x - el.fisheyeCfg.pos.x - el.offsetWidth + el.fisheyeCfg.itemWidth * el.fisheyeCfg.items.size();
                else
                var posx = pointer.x - el.fisheyeCfg.pos.x;
                var posy = Math.pow(pointer.y - el.fisheyeCfg.pos.y - el.offsetHeight / 2, 2);
                el.fisheyeCfg.items.each(function (nr) {
                    distance = Math.sqrt(Math.pow(posx - nr * el.fisheyeCfg.itemWidth, 2) + posy);
                    distance -= el.fisheyeCfg.itemWidth / 2;
                    distance = distance < 0 ? 0 : distance;
                    distance = distance > el.fisheyeCfg.proximity ? el.fisheyeCfg.proximity : distance;
                    distance = el.fisheyeCfg.proximity - distance;
                    extraWidth = el.fisheyeCfg.maxWidth * distance / el.fisheyeCfg.proximity;
                    this.style.width = el.fisheyeCfg.itemWidth + extraWidth + 'px';
                    this.style.left = el.fisheyeCfg.itemWidth * nr + toAdd + 'px';
                    toAdd += extraWidth;
                });
                jQuery.iFisheye.positionContainer(el, toAdd);
            });
        })
    },
    positionContainer: function (el, toAdd) {
        if (el.fisheyeCfg.halign) if (el.fisheyeCfg.halign == 'center') el.fisheyeCfg.container.get(0).style.left = (el.offsetWidth - el.fisheyeCfg.itemWidth * el.fisheyeCfg.items.size()) / 2 - toAdd / 2 + 'px';
        else if (el.fisheyeCfg.halign == 'left') el.fisheyeCfg.container.get(0).style.left = -toAdd / el.fisheyeCfg.items.size() + 'px';
        else if (el.fisheyeCfg.halign == 'right') el.fisheyeCfg.container.get(0).style.left = (el.offsetWidth - el.fisheyeCfg.itemWidth * el.fisheyeCfg.items.size()) - toAdd / 2 + 'px';
        el.fisheyeCfg.container.get(0).style.width = el.fisheyeCfg.itemWidth * el.fisheyeCfg.items.size() + toAdd + 'px';
    },
    positionItems: function (el) {
        el.fisheyeCfg.items.each(function (nr) {
            this.style.width = el.fisheyeCfg.itemWidth + 'px';
            this.style.left = el.fisheyeCfg.itemWidth * nr + 'px';
        });
    }
};
jQuery.fn.Fisheye = jQuery.iFisheye.build;
jQuery.iUtil = {
    getPosition: function (e) {
        var x = 0;
        var y = 0;
        var es = e.style;
        var restoreStyles = false;
        if (jQuery(e).css('display') == 'none') {
            var oldVisibility = es.visibility;
            var oldPosition = es.position;
            restoreStyles = true;
            es.visibility = 'hidden';
            es.display = 'block';
            es.position = 'absolute';
        }
        var el = e;
        while (el) {
            x += el.offsetLeft + (el.currentStyle && !jQuery.browser.opera ? parseInt(el.currentStyle.borderLeftWidth) || 0 : 0);
            y += el.offsetTop + (el.currentStyle && !jQuery.browser.opera ? parseInt(el.currentStyle.borderTopWidth) || 0 : 0);
            el = el.offsetParent;
        }
        el = e;
        while (el && el.tagName && el.tagName.toLowerCase() != 'body') {
            x -= el.scrollLeft || 0;
            y -= el.scrollTop || 0;
            el = el.parentNode;
        }
        if (restoreStyles == true) {
            es.display = 'none';
            es.position = oldPosition;
            es.visibility = oldVisibility;
        }
        return {
            x: x,
            y: y
        };
    },
    getPositionLite: function (el) {
        var x = 0,
            y = 0;
        while (el) {
            x += el.offsetLeft || 0;
            y += el.offsetTop || 0;
            el = el.offsetParent;
        }
        return {
            x: x,
            y: y
        };
    },
    getSize: function (e) {
        var w = jQuery.css(e, 'width');
        var h = jQuery.css(e, 'height');
        var wb = 0;
        var hb = 0;
        var es = e.style;
        if (jQuery(e).css('display') != 'none') {
            wb = e.offsetWidth;
            hb = e.offsetHeight;
        } else {
            var oldVisibility = es.visibility;
            var oldPosition = es.position;
            es.visibility = 'hidden';
            es.display = 'block';
            es.position = 'absolute';
            wb = e.offsetWidth;
            hb = e.offsetHeight;
            es.display = 'none';
            es.position = oldPosition;
            es.visibility = oldVisibility;
        }
        return {
            w: w,
            h: h,
            wb: wb,
            hb: hb
        };
    },
    getSizeLite: function (el) {
        return {
            wb: el.offsetWidth || 0,
            hb: el.offsetHeight || 0
        };
    },
    getClient: function (e) {
        var h, w, de;
        if (e) {
            w = e.clientWidth;
            h = e.clientHeight;
        } else {
            de = document.documentElement;
            w = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
            h = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
        }
        return {
            w: w,
            h: h
        };
    },
    getScroll: function (e) {
        var t = 0,
            l = 0,
            w = 0,
            h = 0,
            iw = 0,
            ih = 0;
        if (e && e.nodeName.toLowerCase() != 'body') {
            t = e.scrollTop;
            l = e.scrollLeft;
            w = e.scrollWidth;
            h = e.scrollHeight;
            iw = 0;
            ih = 0;
        } else {
            if (document.documentElement) {
                t = document.documentElement.scrollTop;
                l = document.documentElement.scrollLeft;
                w = document.documentElement.scrollWidth;
                h = document.documentElement.scrollHeight;
            } else if (document.body) {
                t = document.body.scrollTop;
                l = document.body.scrollLeft;
                w = document.body.scrollWidth;
                h = document.body.scrollHeight;
            }
            iw = self.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;
            ih = self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight || 0;
        }
        return {
            t: t,
            l: l,
            w: w,
            h: h,
            iw: iw,
            ih: ih
        };
    },
    getMargins: function (e, toInteger) {
        var el = jQuery(e);
        var t = el.css('marginTop') || '';
        var r = el.css('marginRight') || '';
        var b = el.css('marginBottom') || '';
        var l = el.css('marginLeft') || '';
        if (toInteger) return {
            t: parseInt(t) || 0,
            r: parseInt(r) || 0,
            b: parseInt(b) || 0,
            l: parseInt(l)
        };
        else
        return {
            t: t,
            r: r,
            b: b,
            l: l
        };
    },
    getPadding: function (e, toInteger) {
        var el = jQuery(e);
        var t = el.css('paddingTop') || '';
        var r = el.css('paddingRight') || '';
        var b = el.css('paddingBottom') || '';
        var l = el.css('paddingLeft') || '';
        if (toInteger) return {
            t: parseInt(t) || 0,
            r: parseInt(r) || 0,
            b: parseInt(b) || 0,
            l: parseInt(l)
        };
        else
        return {
            t: t,
            r: r,
            b: b,
            l: l
        };
    },
    getBorder: function (e, toInteger) {
        var el = jQuery(e);
        var t = el.css('borderTopWidth') || '';
        var r = el.css('borderRightWidth') || '';
        var b = el.css('borderBottomWidth') || '';
        var l = el.css('borderLeftWidth') || '';
        if (toInteger) return {
            t: parseInt(t) || 0,
            r: parseInt(r) || 0,
            b: parseInt(b) || 0,
            l: parseInt(l) || 0
        };
        else
        return {
            t: t,
            r: r,
            b: b,
            l: l
        };
    },
    getPointer: function (event) {
        var x = event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)) || 0;
        var y = event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)) || 0;
        return {
            x: x,
            y: y
        };
    },
    traverseDOM: function (nodeEl, func) {
        func(nodeEl);
        nodeEl = nodeEl.firstChild;
        while (nodeEl) {
            jQuery.iUtil.traverseDOM(nodeEl, func);
            nodeEl = nodeEl.nextSibling;
        }
    },
    purgeEvents: function (nodeEl) {
        jQuery.iUtil.traverseDOM(nodeEl, function (el) {
            for (var attr in el) {
                if (typeof el[attr] === 'function') {
                    el[attr] = null;
                }
            }
        });
    },
    centerEl: function (el, axis) {
        var clientScroll = jQuery.iUtil.getScroll();
        var windowSize = jQuery.iUtil.getSize(el);
        if (!axis || axis == 'vertically') jQuery(el).css({
            top: clientScroll.t + ((Math.max(clientScroll.h, clientScroll.ih) - clientScroll.t - windowSize.hb) / 2) + 'px'
        });
        if (!axis || axis == 'horizontally') jQuery(el).css({
            left: clientScroll.l + ((Math.max(clientScroll.w, clientScroll.iw) - clientScroll.l - windowSize.wb) / 2) + 'px'
        });
    },
    fixPNG: function (el, emptyGIF) {
        var images = jQuery('img[@src*="png"]', el || document),
            png;
        images.each(function () {
            png = this.src;
            this.src = emptyGIF;
            this.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + png + "')";
        });
    }
};
[].indexOf || (Array.prototype.indexOf = function (v, n) {
    n = (n == null) ? 0 : n;
    var m = this.length;
    for (var i = n; i < m; i++)
    if (this[i] == v) return i;
    return -1;
});