var Rollovers=function(A){var C=A;var B=function(){$A(C.selector).each(function(D){$$(D).each(function(F){var G=F.src,E=document.createElement("img");$(F).observe("mouseout",function(H){F.src=G});E.src=C.srcFunction(F,C);F.observe("mouseover",function(H){F.src=E.src})})})};if(window.FastInit){FastInit.addOnLoad(B)}else{Event.observe(window,"load",B)}};Rollovers({selector:[".rollover"],srcFunction:function(A,B){return A.src.replace(/(.*)\.(jpg|gif|png)$/i,"$1_on.$2")}});