<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src="http://cdn.bootcss.com/jquery/2.1.0-beta3/jquery.min.js"></script>
</head>
<body>
<img id="img" src="clock60.png" retry="0" >
<script>
$(function() {
$(\'#img\').on(\'error\', function() {
var retry= $(\'#img\').attr("retry");
if (retry > 0) {
$(\'#img\').attr(\'src\', \'https://iustudio.science/images/srpr/logo11w.png\');
} else {
retry++;
$(\'#img\').attr("retry", retry);
$(\'#img\').attr(\'src\', $(\'#img\').attr(\'src\'));
}
});
})
</script>
</body>
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