window.onload = function(){
        var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
        var activeSheet = spread.getActiveSheet();

//セル(1,1)に罫線を設定します。
 var cell = activeSheet.getCell(1, 1, GC.Spread.Sheets.SheetArea.viewport);
 cell.borderLeft(new GC.Spread.Sheets.LineBorder("Red", GC.Spread.Sheets.LineStyle.thick));
 cell.borderTop(new GC.Spread.Sheets.LineBorder("Blue", GC.Spread.Sheets.LineStyle.double));
 cell.borderRight(new GC.Spread.Sheets.LineBorder("Green", GC.Spread.Sheets.LineStyle.dashDot));
 cell.borderBottom(new GC.Spread.Sheets.LineBorder("Yellow", GC.Spread.Sheets.LineStyle.mediumDashed));
                       }