/***  jquery.popupt *  (c) 2008 Semooh (http://semooh.jp/) **/
(function($){$.fn.extend({imghover: function(opt){return this.each(function() {opt = $.extend({prefix: '',suffix: '_o',src: '',btnOnly: true,fade: false,fadeSpeed: 500}, opt || {});var node = $(this);if(!node.is('img')&&!node.is(':image')){var sel = 'img,:image';if (opt.btnOnly) sel = 'a '+sel;node.find(sel).imghover(opt);return;}var orgImg = node.attr('src');var hoverImg;if(opt.src){hoverImg = opt.src;}else{hoverImg = orgImg;if(opt.prefix){var pos = hoverImg.lastIndexOf('/');if(pos>0){hoverImg = hoverImg.substr(0,pos-1)+opt.prefix+hoverImg.substr(pos-1);}else{hoverImg = opt.prefix+hoverImg;}}if(opt.suffix){var pos = hoverImg.lastIndexOf('.');if(pos>0){hoverImg = hoverImg.substr(0,pos)+opt.suffix+hoverImg.substr(pos);}else{hoverImg = hoverImg+opt.suffix;}}}if(opt.fade){var offset = node.offset();var hover = node.clone(true);hover.attr('src', hoverImg);hover.css({position: 'absolute',left: offset.left,top: offset.top,zIndex: 1000}).hide().insertAfter(node);node.mouseover( function(){var offset=node.offset();hover.css({left: offset.left, top: offset.top});hover.fadeIn(opt.fadeSpeed);node.fadeOut(opt.fadeSpeed,function(){node.show()});});hover.mouseout(function(){node.fadeIn(opt.fadeSpeed);hover.fadeOut(opt.fadeSpeed);});}else{node.hover(function(){node.attr('src', hoverImg)},function(){node.attr('src', orgImg)});}});}});})(jQuery);