function tableDoesNotHaveHeaderColumn(rows) {
        for (var i = 0; i < rows.length; i++) {
            if (rows[i].children[0].tagName != 'TH') {
                return true;
            }
        }
        return false;
    }
Checks for a header column in a table.

@param {NodeList} rows tr elements
@returns {boolean} Table does not have a complete header column