/*
 * imgPreview jQuery plugin
 * Copyright (c) 2009 James Padolsey
 * j@qd9.co.uk | http://james.padolsey.com
 * Dual licensed under MIT and GPL.
 * Updated: 09/02/09
 * @author James Padolsey
 * @version 0.21
 */
(function(c){
    c.expr[':'].linkingToImage=function(b,f,a){
        return!!(c(b).attr(a[3])&&c(b).attr(a[3]).match(/\.(gif|jpe?g|png|bmp)$/i))
        };

    c.fn.imgPreview=function(f){
        var a=c.extend({
            imgCSS:{},
            distanceFromCursor:{
                top:10,
                left:10
            },
            preloadImages:true,
            onShow:function(){},
            onHide:function(){},
            onLoad:function(){},
            containerID:'imgPreviewContainer',
            containerLoadingClass:'loading',
            thumbPrefix:'',
            srcAttr:'href'
        },f),d=c('<div/>').attr('id',a.containerID).append('<img/>').hide().css('position','absolute').appendTo('body'),e=c('img',d).css(a.imgCSS),g=this.filter(':linkingToImage('+a.srcAttr+')');
        function h(b){
            return b.replace(/(\/?)([^\/]+)$/,'$1'+a.thumbPrefix+'$2')
            }
            if(a.preloadImages){
            g.each(function(){
                (new Image()).src=h(c(this).attr(a.srcAttr))
                })
            }
            g.mousemove(function(b){
            d.css({
                top:b.pageY+a.distanceFromCursor.top+'px',
                left:b.pageX+a.distanceFromCursor.left+'px'
                })
            }).hover(function(){
            var b=this;
            d.addClass(a.containerLoadingClass).show();
            e.load(function(){
                d.removeClass(a.containerLoadingClass);
                a.onLoad.call(e[0],b)
                }).attr('src',h(c(b).attr(a.srcAttr)));
            a.onShow.call(d[0],b)
            },function(){
            d.hide();
            e.unbind('load').attr('src','');
            a.onHide.call(d[0],this)
            });
        return this
        }
    })(jQuery);