function findimg(){var b,a;b=document.getElementsByTagName("img");for(a=0;a<b.length;a++){if(/roll/.test(b[a].className)){b[a].parentNode.onmouseover=function(){roll(this)};b[a].parentNode.onmouseout=function(){roll(this)};b[a].parentNode.onfocus=function(){roll(this)};b[a].parentNode.onblur=function(){roll(this)}}}}function roll(f){var b,g,e,a,c,d;for(b=0;b<f.childNodes.length;b++){d=f.childNodes[b];if(d.nodeType==1&&/img/i.test(d.nodeName)){g=b;break}}e=f.childNodes[g].src;a=e.substring(e.lastIndexOf("."),e.length);if(/_roll/.test(e)){c=e.replace("_roll","")}else{c=e.replace(a,"_roll"+a)}f.childNodes[g].src=c}ev.addEvent(window,"load",findimg,false);