Hover Swap jpg

jquery_hover_swap_jpg

// Homepage rollover Functions
function imageHilight ($obj) {
  var imagetochange = $obj.find('img');
  imagetochange.attr('src', imagetochange.attr('src').replace(/\.jpg/, '-on.jpg') );
  //console.log('imageHilight');
}

function imageUnHilight ($obj) {
  var imagetochange = $obj.find('img');
  imagetochange.attr('src', imagetochange.attr('src').replace(/\-on.jpg/, '.jpg') );
  //console.log('imageUnHilight');
}


// Homepage rollover Functions
$( document ).ready(function() {
    
    // Homepage rollover
    $("li.views-fluid-grid-item").hover(function () {
      imageHilight($(this));
    }, function () {
      imageUnHilight($(this));
    });
       
});

When I need to swap jpegs on hover