diff --git a/scripts/scheduleInput.js b/scripts/scheduleInput.js
--- a/scripts/scheduleInput.js
+++ b/scripts/scheduleInput.js
@@ -133,10 +133,15 @@ function genSectionHtml(cnum)
 function genSectionHtml_n(cnum, name, synonym, stime, etime, days, prof, location, type)
 {
 		var snum = sectionsOfClass[cnum];
-
-		var result = '
 | ';
+		
+		var cssclasses = 'section class' + cnum;
+		if(type == 'lab') {
+		  cssclasses += ' lab'
+		}
+		
+		var result = '
 | ';
 	        result = result + ' | ';
-		result = result + ' | ';
+		result = result + ' | ';
 		result = result + ' | 
';