diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_IdCss.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_IdCss.gif
index b2ed610..c174f8f 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_IdCss.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_IdCss.gif
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Save.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Save.gif
index be4d6e9..c6d6e02 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Save.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Save.gif
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Setting.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Setting.gif
index b67a724..9da4945 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Setting.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Setting.gif
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Simulate.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Simulate.gif
index a96faa9..5117fcf 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Simulate.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Simulate.gif
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Visualize.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Visualize.gif
index eb60d8b..2a1228a 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Visualize.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/I_Visualize.gif
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Sync.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Sync.gif
deleted file mode 100644
index 5648503..0000000
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Sync.gif
+++ /dev/null
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diff --git a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Wholepage.gif b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Wholepage.gif
index dac2d55..11e9ed6 100644
--- a/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Wholepage.gif
+++ b/plugins/org.eclipse.actf.visualization.doc.user/docs/images/Wholepage.gif
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