锘縡unction linescolor(tableid) {
    var tb = document.getElementById(tableid);
    if (tb == null || typeof tb == 'undefined')
        return;
    var rows = tb.rows.length;
    var rows_sum = 0;
    if (rows > 1) {
        for (var i = 1; i < rows; i++) {
            if (i % 2 != 0)
                tb.rows[i].style.backgroundColor = '#ECF5FF';

            ++rows_sum;
        }
    }
}