function main(spreadSheetReport) {
var row = spreadSheetReport.getRowCount() - 1;
var startrow = 4;
for (var i = startrow; i < row; i++) {
var td = spreadSheetReport.getCell(i, 7);
var value = parseFloat(td.innerText.replace(",", ""));
if (value >= 40) {
var img = document.createElement("IMG");
img.src = "/smartbi/vision/img/alertdialog/up.gif";
td.insertBefore(img, td.firstChild);
} else {
var img = document.createElement("IMG");
img.src = "/smartbi/vision/img/alertdialog/down.gif";
td.insertBefore(img, td.firstChild);
}
}
}