$(document).ready(function () {
    //Validate that value entered was an integer
    $(".maskInt").keyup(function () {
        $(this).val(filterInt($(this).val()));
    });
    $(".maskInt").bind("blur", function () {
        $(this).val(filterInt($(this).val()));
    });
});

function filterInt(intValue) {
    filteredVal = intValue;    
    if (isNaN(intValue) || intValue.indexOf(".") > 0) {
        var arr = intValue;
        var filteredVal = "";
        $.each(arr, function (i) {
            var c = arr.charAt(i);
            if (!isNaN(c)) {
                filteredVal += c;
            }
        });
    }
    //Eliminate spaces in return value
    return filteredVal.replace(/ /g, '');
}