function saveCell()
{
$sheet = get_current_sheet();
$cell_id = $this->_get("cell_id");
$new_content = $this->_post("content");
$new_content = stripslashes($new_content);
//$new_content = iconv('utf-8','windows-1251',$new_content);
$new_content = trim($new_content);
MyExcel::setCellSource($sheet, $cell_id, $new_content);
echo MyExcel::getCellValue($sheet, $cell_id);
}
function val($cell)
{
return MyExcel::getCellValue(get_current_sheet(), $cell);
}