Add Want Button to your site

Use script

<script>
(function() {
        var _w = document.createElement("script"); _w.type = "text/javascript"; _w.async = true;
        _w.src = "http://button.wanttt.com/button/script/";
        var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(_w, s);
})();
</script>
<a href="http://wanttt.com/want/initial_popup/"
data-merchant_name="ESCAPED_MERCHANT_NAME"
data-title="ESCAPED_PRODUCT_NAME"
data-price="PRODUCT_PRICE"
data-image_url="HIGH_RESOLUTION_PRODUCT_IMAGE_URL"
data-count="true"
data-style="wb1" data-page_source="PRODUCT" class="wantButton"></a>

or go to http://wantbutton.com/code.html