/*************************************************************
* jQuery FishEye plugin v0.5.0
* Copywright (c) 2008 Ian Suttle
* http://www.iansuttle.com/blog
*
* Licensed under the GNU General Public License: 
* http://www.gnu.org/licenses/gpl.html
**************************************************************/
; (function($) {
    jQuery.fn.FishEye = function(args) {
        var container = this;
        var fishEyeItemName = args.fishEyeItemName;
        var maxScalePct = args.maxScalePct;
        var scaleStepPct = args.scaleStepPct;
        var currentlyOn;

        function loadFishEye() {
            $(container).mouseout(function() {
                //currentlyOn = null;
                //setTimeout(function() { resetContainer(this); }, 2000);
            });

            var x = 0;
            $(fishEyeItemName, container).each(function(i) {
                $(this).mouseover(function() {
                    expandMe(this, maxScalePct);
                });

                $(this).mouseout(function() {
                    currentlyOn = null;
                    setTimeout(function() { resetContainer(this); }, 2000);
                });

                $(this).attr("index", x);
                $(this).attr("origHeight", $(this).height());
                $(this).attr("origWidth", $(this).width());
                x++;
            });
        };

        function expandMe(me, growthPct) {
            if ($(me).attr("index") == currentlyOn)
                return;

            resetContainer();

            //mouse over this one
            expandByStep(me, maxScalePct);
            currentlyOn = $(me).attr("index");

            //change siblings to the next
            var next = $(me).next();
            var nextStep = growthPct - scaleStepPct;
            while (true) {
                if (next == 'undefined' || nextStep <= 0)
                    break;

                expandByStep(next, nextStep); //update element
                next = $(next).next(); //retrieve next element to update
                nextStep -= scaleStepPct; //set up next growth pct
            };

            //change siblings to the prev
            next = $(me).prev();
            nextStep = growthPct - scaleStepPct;
            while (true) {
                if (next == null || nextStep <= 0)
                    break;

                expandByStep(next, nextStep); //update element
                next = $(next).prev(); //retrieve next element to update
                nextStep -= scaleStepPct; //set up next growth pct
            };
        };

        function expandByStep(me, growthPct) {
            var newHeight = ($(me).attr("origHeight") * (growthPct / 100)) + $(me).height();
            var newWidth = ($(me).attr("origWidth") * (growthPct / 100)) + $(me).width();

            $(me).height(newHeight + 'px');
            $(me).width(newWidth + 'px');
        };

        function resetContainer() {
            if (currentlyOn != null)
                return;

            $(fishEyeItemName, container).each(function(i) {
                resetMe($(this));
            });
        };

        function resetMe(me) {
            $(me).height($(me).attr("origHeight") + 'px');
            $(me).width($(me).attr("origWidth") + 'px');
        };

        //call the constructor
        loadFishEye();
        //return jQuery object
        return container;
    }
})(jQuery);