Index: lams_central/web/includes/javascript/main.js
===================================================================
RCS file: /usr/local/cvsroot/lams_central/web/includes/javascript/Attic/main.js,v
diff -u -r1.1.2.21 -r1.1.2.22
--- lams_central/web/includes/javascript/main.js	26 Dec 2016 16:47:51 -0000	1.1.2.21
+++ lams_central/web/includes/javascript/main.js	4 Jan 2017 15:07:18 -0000	1.1.2.22
@@ -293,15 +293,17 @@
 	}
 }
 
+/**
+ * Adjust the position of LD SVG in Monitoring.
+ */
 function resizeSequenceCanvas(){
-	var body = $('.modal-body'),
-		frame = $('iframe', body);
-	if (frame.length > 0) {
-		var win = frame[0].contentWindow || frame[0].contentDocument;
+	$('div[id^="dialogMonitorLesson"] iframe').each(function(){
+		var win = this.contentWindow || this.contentDocument;
 		if (win.resizeSequenceCanvas) {
+			var body = $(this).closest('.modal-body');
 			win.resizeSequenceCanvas(body.width(), body.height());
 		}
-	}
+	});
 }
 
 
@@ -613,5 +615,4 @@
 			});
 		}
 	}
-}
-
+}
\ No newline at end of file