///*
// * 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 0.22
// */
//(function(c){c.expr[':'].linkingToImage=function(a,g,e){return!!(c(a).attr(e[3])&&c(a).attr(e[3]).match(/\.(gif|jpe?g|png|bmp)$/i))};c.fn.imgPreview=function(j){var b=c.extend({imgCSS:{},distanceFromCursor:{top:10,left:10},preloadImages:true,onShow:function(){},onHide:function(){},onLoad:function(){},containerID:'imgPreviewContainer',containerLoadingClass:'loading',thumbPrefix:'',srcAttr:'href'},j),d=c('<div/>').attr('id',b.containerID).append('<img/>').hide().css('position','absolute').appendTo('body'),f=c('img',d).css(b.imgCSS),h=this.filter(':linkingToImage('+b.srcAttr+')');function i(a){return a.replace(/(\/?)([^\/]+)$/,'$1'+b.thumbPrefix+'$2')}if(b.preloadImages){(function(a){var g=new Image(),e=arguments.callee;g.src=i(c(h[a]).attr(b.srcAttr));g.onload=function(){h[a+1]&&e(a+1)}})(0)}h.mousemove(function(a){d.css({top:a.pageY+b.distanceFromCursor.top+'px',left:a.pageX+b.distanceFromCursor.left+'px'})}).hover(function(){var a=this;d.addClass(b.containerLoadingClass).show();f.load(function(){d.removeClass(b.containerLoadingClass);f.show();b.onLoad.call(f[0],a)}).attr('src',i(c(a).attr(b.srcAttr)));b.onShow.call(d[0],a)},function(){d.hide();f.unbind('load').attr('src','').hide();b.onHide.call(d[0],this)});return this}})(jQuery);

/*
 * 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 0.22
 */
(function($){
    
    $.expr[':'].linkingToImage = function(elem, index, match){
        // This will return true if the specified attribute contains a valid link to an image:
        return !! ($(elem).attr(match[3]) && $(elem).attr(match[3]).match(/\.(gif|jpe?g|png|bmp)$/i));
    };
    
    $.fn.imgPreview = function(userDefinedSettings){
        
        var s = $.extend({
            
            /* DEFAULTS */
            
            // CSS to be applied to image:
            imgCSS: {},
            // Distance between cursor and preview:
            distanceFromCursor: {top:10, left:10},
            // Boolean, whether or not to preload images:
            preloadImages: true,
            // Callback: run when link is hovered: container is shown:
            onShow: function(){},
            // Callback: container is hidden:
            onHide: function(){},
            // Callback: Run when image within container has loaded:
            onLoad: function(){},
            // ID to give to container (for CSS styling):
            containerID: 'imgPreviewContainer',
            // Class to be given to container while image is loading:
            containerLoadingClass: 'loading',
            // Prefix (if using thumbnails), e.g. 'thumb_'
            thumbPrefix: '',
            // Where to retrieve the image from:
            srcAttr: 'href'
            
        }, userDefinedSettings),
        
        $container = $('<div/>').attr('id', s.containerID)
                        .append('<img/>').hide()
                        .css('position','absolute')
                        .appendTo('body'),
            
        $img = $('img', $container).css(s.imgCSS),
        
        // Get all valid elements (linking to images / ATTR with image link):
        $collection = this.filter(':linkingToImage(' + s.srcAttr + ')');
        
        // Re-usable means to add prefix (from setting):
       
             function addPrefix(src) {
                if(src != undefined){
                    return src.replace(/(\/?)([^\/]+)$/,'$1' + s.thumbPrefix + '$2');
                }
            }
       
        
        if (s.preloadImages) {
            (function(i){
                var tempIMG = new Image(),
                    callee = arguments.callee;
                tempIMG.src = addPrefix($($collection[i]).attr(s.srcAttr));
                tempIMG.onload = function(){
                    $collection[i + 1] && callee(i + 1);
                };
            })(0);
        }
        
        $collection
            .mousemove(function(e){
                
                $container.css({
                    top: e.pageY + s.distanceFromCursor.top + 'px',
                    left: e.pageX + s.distanceFromCursor.left + 'px'
                });
                
            })
            .hover(function(){
                
                var link = this;
                $container
                    .addClass(s.containerLoadingClass)
                    .show();
                $img
                    .load(function(){
                        $container.removeClass(s.containerLoadingClass);
                        $img.show();
                        s.onLoad.call($img[0], link);
                    })
                    .attr('src', addPrefix($(link).attr(s.srcAttr)));
                //$img.css('float','left');
                s.onShow.call($container[0], link);
                
            }, function(){
                
                $container.hide();
                $img.unbind('load').attr('src','').hide();
                s.onHide.call($container[0], this);
                
            });
        
        // Return full selection, not $collection!
        return this;
        
    };
    
})(jQuery);