+<script>
+$('a.qrcode').click(function(){
+ hide_qrcode();
+ var link = $(this).attr('href');
+ $(this).after('<div class="qrcode" onclick="hide_qrcode();return false;"><img src="'+link+'#" width="200" height="200"><br>click to close</div>');
+});
+
+function hide_qrcode()
+{
+ $('div.qrcode').remove();
+}
+</script>