Index: lams_tool_preview/web/pages/learning/ranking.jsp
===================================================================
diff -u -rc260f6f3f855894e54d3725095e56d39a139d893 -r4583983b64efe1d91fbb47cdde6a759a6a30e859
--- lams_tool_preview/web/pages/learning/ranking.jsp	(.../ranking.jsp)	(revision c260f6f3f855894e54d3725095e56d39a139d893)
+++ lams_tool_preview/web/pages/learning/ranking.jsp	(.../ranking.jsp)	(revision 4583983b64efe1d91fbb47cdde6a759a6a30e859)
@@ -49,7 +49,7 @@
 			    } 
 			    theTarget.appendChild(newChild);
 	    	}
-		    newChild.classList.remove('can-drop');
+	    	removeClassWithHighlight(newChild, 'can-drop');
 		    resetXY(newChild);
 		    
 			testButtons();