验证数字

function isValidCurrency(input) {    
    var currencyPattern = /^\d{0,3}(,\d{3})*(\d)*(\.){0,1}(\d)*$/;
    return currencyPattern.test(input);
}

    if (!isValidCurrency(inputMoney)) {
        alert('Invalid input at row ' + (i+1) + ', column 5.');
        return;
    }


function getColumnObject(row, column) {
    var table = document.getElementById("languageForm:languageCostTable");
var tbody = table.tBodies[0];
var attributeId = tbody.rows[row].cells[column].getElementsByTagName("input");
return attributeId[0];
}