Velocity Table Sort

    function sortTable(columnIndex) {
        var table, rows, switching, i, x, y, shouldSwitch;
        table = document.getElementById("sortableTable");
        switching = true;
        
        while (switching) {
            switching = false;
            rows = table.rows;
            
            for (i = 1; i < (rows.length - 1); i++) {
                shouldSwitch = false;
                x = rows[i].getElementsByTagName("td")[columnIndex];
                y = rows[i + 1].getElementsByTagName("td")[columnIndex];
                
                if (x.innerHTML.toLowerCase() > y.innerHTML.toLowerCase()) {
                    shouldSwitch = true;
                    break;
                }
            }
            
            if (shouldSwitch) {
                rows[i].parentNode.insertBefore(rows[i + 1], rows[i]);
                switching = true;
            }
        }
    }