$(document).ready(function () {
     var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
     var activeSheet = spread.getActiveSheet();
 // 左端の2つの列、および上端の2つの行を固定します。
activeSheet.frozenRowCount(2);
 activeSheet.frozenColumnCount(2);
 activeSheet.getRange(0, -1, 2, -1).backColor("LightCyan");
 activeSheet.getRange(-1, 0, -1, 2).backColor("LightCyan");
   });