diff --git a/src/org/ntlab/deltaViewer/MagnetRONFrame.java b/src/org/ntlab/deltaViewer/MagnetRONFrame.java
index d0a8d6f..f30c920 100644
--- a/src/org/ntlab/deltaViewer/MagnetRONFrame.java
+++ b/src/org/ntlab/deltaViewer/MagnetRONFrame.java
@@ -605,13 +605,13 @@
 		String[] objTrace5 = {null, null, "A","B", "traces/objTraceSample5.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("objTrace5", objTrace5);
 
 		// �\�������̂Ƃ��ɗp����Toy program
-		String[] pre_Exp1 = {null, null, "E","C", "traces/pre_Exp1.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp1", pre_Exp1);
-		String[] pre_Exp2 = {null, null, "E","C", "traces/pre_Exp2.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp2", pre_Exp2);
-		String[] pre_Exp3 = {null, null, "E","C", "traces/pre_Exp3.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp3", pre_Exp3);
-		String[] pre_Exp4 = {null, null, "E","C", "traces/pre_Exp4.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp4", pre_Exp4);
-		String[] pre_Exp5 = {null, null, "E","C", "traces/pre_Exp5.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp5", pre_Exp5);
-		String[] pre_Exp6 = {null, null, "E","C", "traces/pre_Exp6.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp6", pre_Exp6);
-		String[] pre_Exp7 = {null, null, "E","C", "traces/pre_Exp7.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("pre_Exp7", pre_Exp7);
+		String[] pre_Exp1 = {null, null, "E","C", "traces/pre_Exp1.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp1", pre_Exp1);
+		String[] pre_Exp2 = {null, null, "E","C", "traces/pre_Exp2.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp2", pre_Exp2);
+		String[] pre_Exp3 = {null, null, "E","C", "traces/pre_Exp3.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp3", pre_Exp3);
+		String[] pre_Exp4 = {null, null, "E","C", "traces/pre_Exp4.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp4", pre_Exp4);
+		String[] pre_Exp5 = {null, null, "E","C", "traces/pre_Exp5.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp5", pre_Exp5);
+		String[] pre_Exp6 = {null, null, "E","C", "traces/pre_Exp6.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp6", pre_Exp6);
+		String[] pre_Exp7 = {null, null, "E","C", "traces/pre_Exp7.trace", Extract.CONTAINER_COMPONENT}; map.put("pre_Exp7", pre_Exp7);
 
 		// Samples of Multiple Deltas
 		String[] getterOverlap1 = {null, null, "getterOverlap.F","getterOverlap.D", "traces/getterOverlap.txt", Extract.CONTAINER_COMPONENT_COLLECTION}; map.put("getterOverlap1", getterOverlap1);