Add all H3 TOC parsing support

Prevents JS parsing issue from adding ID attribute when non-`slide`
wrapped H3 is encountered.

Author: jordanmccullough

_javascript/curriculum.js

@@ -19,8 +19,6 @@ $(function(){
 	  proximity: 150
 	});
 
-
-
 	function buildToc(){
 		var headings = $("h3"),
 				toc = $("#toc-list");
@@ -41,15 +39,13 @@ $(function(){
 
 			item = $('<li><a href="#' + headingSep + '">' + headings[h].innerHTML + '</a></li>');
 			toc.append(item);
-			// console.log(headings[h].parentElement);
-
-			// var hiddenTitle = document.createElement("h3");
-			// hiddenTitle.setAttribute("id", headingSep);
-			// console.log(hiddenTitle);
 
-			// $(headings[h].parentElement).prepend(hiddenTitle);
-
-			headings[h].parentElement.setAttribute("id", headingSep);
+			if(headings[h].parentElement.getAttribute("class").indexOf("alignment")>-1){
+				headings[h].parentElement.setAttribute("id", headingSep);
+			}
+			else{
+				headings[h].setAttribute("id", headingSep);
+			}
 
 			$('.curriculum').scrollspy({ target: '#toc' });
 		}