Sys.Application.add_init(function() {
    $create(AjaxControlToolkit.CollapsiblePanelBehavior, {"ClientStateFieldID":"SSC1_cpe_ClientState","CollapseControlID":"s_p2","Collapsed":true,"CollapsedImage":"/expand.jpg","CollapsedSize":0,"ExpandControlID":"s_p2","ExpandedImage":"/collapse.jpg","ImageControlID":"s_i1","SuppressPostBack":true,"id":"SSC1_cpe"}, null, null, $get("s_p1"));
});