Midel,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(function ()
{
$("body").on('change', '.myselect', function() {alert(this.value)});
$("[dir='myselect']").each(function()
{
$(this).parent().val(this.value).change();
}
);
}
)
</script>
</head>
<body>
<select class="myselect" name="" size="1">
<option value="1">1</option>
<option value="2" dir="myselect">2</option>
<option value="3">3</option>
</select>
<select class="myselect" name="" size="1">
<option value="1">1</option>
<option value="2">2</option>
<option value="3" dir="myselect">3</option>
</select>
</body>