(function(a){a.fn.extend({rollover:function(){return this.each(function(c,d){if(d.nodeName=="SPAN"){if(a(d).data("fileName")==undefined){var b=d.css("filter").split("'")[1];a(d).data("extension",b.pop());a(d).data("fileName",b.join("."))}a(d).hover(function(){a(this).css("filter","progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+a(d).data("fileName")+"_hover."+a(d).data("extension")+"', sizingMethod='scale')")},function(){a(this).css("filter","progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+a(d).data("fileName")+"."+a(d).data("extension")+"', sizingMethod='scale')")})}else{if(a(d).data("fileName")==undefined){var b=d.src.split(".");a(d).data("extension",b.pop());a(d).data("fileName",b.join("."))}a(d).hover(function(){a(this).attr("src",a(this).data("fileName")+"_hover."+a(this).data("extension"))},function(){a(this).attr("src",a(this).data("fileName")+"."+a(this).data("extension"))})}})}})})(jQuery);