<div id="edmradio">
<script type="text/javascript">
var now = new Date();
var day = now.getDay();
var h = now.getHours();
if (day == 0) {
if ((h >= 22) && (h < 23)) { document.getElementById("edmradio").innerHTML='ваш код';
}
} else if (day == 4) {
if ((h >= 10) && (h < 11)) { document.getElementById("edmradio").innerHTML='ваш код';
}
}
</script>
</div>