diff --git a/src/org/ntlab/deltaViewer/MagnetRONViewer.java b/src/org/ntlab/deltaViewer/MagnetRONViewer.java
index 597bbea..cb39503 100644
--- a/src/org/ntlab/deltaViewer/MagnetRONViewer.java
+++ b/src/org/ntlab/deltaViewer/MagnetRONViewer.java
@@ -244,7 +244,9 @@
 		targetCell.getGeometry().setX(absolutePointTargetCell.getX());
 		targetCell.getGeometry().setY(absolutePointTargetCell.getY());
 		Object edge = mxgraph.insertDeltaEdge(mxDefaultParent, fieldUpdateStatement.getFieldName(), fieldName, objectToVertexMap.get(sourceObjectId).getCell(), objectToVertexMap.get(targetObjectId).getCell());
-		((mxCell)edge).setStyle("exitX=0;exitY=0.5;exitPerimeter=1;entryX=1;entryY=0.5;entryPerimeter=1;");
+//		((mxCell)edge).setStyle("exitX=0;exitY=0.5;exitPerimeter=1;entryX=1;entryY=0.5;entryPerimeter=1;strokeColor=red;");
+		((mxCell)edge).setStyle("strokeColor=red;");
+//		mxgraph.orderCells(true, new Object[] {edge});
 		edgeMap.put(fieldUpdateStatement.getFieldName(), new Edge(fieldName, TypeName.Reference, edge));
 		//					System.out.println("last" + objectToVertexMap.get(targetObjectId).getInitialX() + ", " + objectToVertexMap.get(targetObjectId).getInitialY());
 		deltaAnimation.setVertexAnimation(targetCell, new mxPoint(objectToVertexMap.get(targetObjectId).getInitialX(), objectToVertexMap.get(targetObjectId).getInitialY()));
@@ -271,7 +273,9 @@
 			targetCell.getGeometry().setX(absolutePointTargetCell.getX());
 			targetCell.getGeometry().setY(absolutePointTargetCell.getY());
 			Object edge = mxgraph.insertDeltaEdge(mxDefaultParent, tgtObjId, null, objectToVertexMap.get(srcObjId).getCell(), objectToVertexMap.get(tgtObjId).getCell());
-			((mxCell)edge).setStyle("exitX=0;exitY=0.5;exitPerimeter=1;entryX=1;entryY=0.5;entryPerimeter=1;");
+//			((mxCell)edge).setStyle("exitX=0;exitY=0.5;exitPerimeter=1;entryX=1;entryY=0.5;entryPerimeter=1;strokeColor=red;");
+			((mxCell)edge).setStyle("strokeColor=red;");
+//			mxgraph.orderCells(true, new Object[] {edge});
 			edgeMap.put(tgtObjId, new Edge(null, TypeName.Reference, edge));
 //			System.out.println("last" + objectToVertexMap.get(targetObjectId).getInitialX() + ", " + objectToVertexMap.get(targetObjectId).getInitialY());
 			deltaAnimation.setVertexAnimation(targetCell, new mxPoint(objectToVertexMap.get(tgtObjId).getInitialX(), objectToVertexMap.get(tgtObjId).getInitialY()));
@@ -974,15 +978,15 @@
 	}
 
 	protected void setEdgePoint(mxICell edge, Point absPtSrcCell, Point absPtTgtCell) {
-			if(absPtSrcCell.getX() < absPtTgtCell.getX()) {
-	//							if(isSrcSideChanged) {
-				// �E�����獶��փG�b�W������
-				edge.setStyle("exitX=1;exitY=1;exitPerimeter=1;entryX=0;entryY=0;entryPerimeter=1;");
-			} else {
-				// ��������E��փG�b�W������
-				edge.setStyle("exitX=0;exitY=1;exitPerimeter=1;entryX=1;entryY=0;entryPerimeter=1;");
-			}
-		}
+//		mxgraph.orderCells(true, new Object[] {edge});
+//		if(absPtSrcCell.getX() <= absPtTgtCell.getX()) {
+//			// �E�����獶��փG�b�W������
+//			edge.setStyle("exitX=0.5;exitY=0.5;exitPerimeter=1;entryX=0;entryY=0.5;entryPerimeter=1;");
+//		} else {
+//			// ��������E��փG�b�W������
+//			edge.setStyle("exitX=0.5;exitY=0.5;exitPerimeter=1;entryX=1;entryY=0.5;entryPerimeter=1;");
+//		}
+	}
 
 	/** Set style of All cells. */
 	protected void setCellsStyle() {