function hideRows(table){
    var table = document.getElementById(table);
    for (var i = 0, row; row = table.rows[i]; i++) {
        for (var j = 0, col; col = row.cells[j]; j++) {
            if (col.innerHTML == '2' || col.innerHTML == '1' || col.innerHTML == '0') {
                if (row.style.display == '')  row.style.display = 'none';
                else row.style.display = '';
            }
        }
    }
}