(function(elements){var d=document;elements=elements||['img'];var image_rollover=function(){var rollover={src:function(src,regex,flg){var result=regex.exec(src);if(result){return(result[1]+flg+result[2]);}},func:function(regex,flg){return function(){var result=rollover.src(this.getAttribute('src'),regex,flg);if(result){this.setAttribute('src',result);}}}};for(var element_index=0,elements_length=elements.length;element_index<elements_length;element_index++){var images=document.getElementsByTagName(elements[element_index]);for(var image_index=0,images_length=images.length;image_index<images_length;image_index++){var classname=getClassName(images[image_index]);if(classname&&classname.split(' ').indexOf('rollover')>=0){new Image().src=rollover.src(images[image_index].getAttribute('src'),/^(.+)_off(\..+)$/,'_on');images[image_index].onmouseover=rollover.func(/^(.+)_off(\..+)$/,'_on');images[image_index].onmouseout=rollover.func(/^(.+)_on(\..+)$/,'_off');}}}};var getClassName=function(object){return object.getAttribute('class')||object.getAttribute('className')||'';};var addEvent=function(element,event,func){if(!!element.addEventListener){element.addEventListener(event,func,false);return true;}else if(!!element.attachEvent){var r=element.attachEvent('on'+event,func);return r;}else{element['on'+event]=func;}};if(!Array.prototype.indexOf){Array.prototype.indexOf=function(r){for(var index=0,array_length=this.length;index<array_length;index++){if(r==this[index]){return index;}}return-1;}}addEvent(window,'load',image_rollover);})(['img','input']);
