function OnLoad() {
        // Create a search control
        var searchControl = new GSearchControl();

        // 搜索選項，這里設置為自動展開 
        var options = new GsearcherOptions();
        options.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);

        // 添加了一個網頁搜索
        searchControl.addSearcher(new GwebSearch(), options);

        // 搜索結果輸出選項，列表顯示 GSearchControl.DRAW_MODE_TABED是另外一個選項，tab方式顯示各種搜索結果
        var drawOptions = new GdrawOptions();
        drawOptions.setDrawMode(GSearchControl.DRAW_MODE_LINEAR);

        // 每次顯示8條搜索結果
        searchControl.setResultSetSize(GSearch.LARGE_RESULTSET);
        // Tell the searcher to draw itself and tell it where to attach
        searchControl.draw(document.getElementById("searchcontrol"), drawOptions);

        // 開始搜索
        searchControl.execute("Google");
    }