harry's fix, announcement still broken

app/assets/javascripts/inc/modal-preview.js

@@ -25,14 +25,16 @@ $(document).ready(function() {
  //        	form.submit();
 	// 	//return false;
 	// });
-	var clicked_what = null;
 	$("button.post_preview").click(function(){
-		clicked_what = $(this);
+		var btn = document.getElementById("button_for_preview");
+		var attrs = btn.attributes;
+		var url = attrs['url'];
+		// url = url.replace("url=","");
 		$("form.nccu_ajax_form").ajaxSubmit({
 			beforeSubmit: function(a,f,o){
 				$("#main-wrap").after("<span id='show_preview'></span>");
 				o.dataType = 'script';
-				o.url = clicked_what.attr("url");
+				o.url = url.nodeValue;
 				o.type =  'post';
 			}
 		});