// JavaScript Document

$(function(){
  $(".hover").hover(function(){
    var cont = $(this).attr("src");
    if ((/\d\.(jpg|gif|png)/).test(cont)){
    cont = cont.replace(/(\.)(jpg|gif|png)/,"hover.$2");    
    }else{
    cont = cont.replace(/(\.)(jpg|gif|png)/,"hover.$2");
    }
    $(this).attr("src",cont)
}, function(){
    var cont = $(this).attr("src");
    cont = cont.replace(/(Hover|hover)\./,".");
    $(this).attr("src",cont)
}); 
});