jQuery to change the 'Thumbs up text', 'Thumbs down text', and 'Thank you text' to what you want it to be.

translate_article_rating.js

<script type="text/javascript">
$(function(){
$("#rate_article div:nth-child(1) a").click(function(){
$("#rate_article").css("visibility", "hidden");
window.setTimeout(showHello, 1000);
}).next().text("Thumbs Up text");

$("#rate_article div:nth-child(2) a").click(function(){
$("#rate_article").css("visibility", "hidden");
window.setTimeout(showHello, 1000);
}).next().text("Thumbs Down text");
});
function showHello(){
$("#rate_article").text("Thank you text");
$("#rate_article").css("visibility", "visible");
}
</script>