// decimalOnly.js
// allows only numeric with decimal in a textbox
// used mainly for US Dollar currency fields

function decimalOnly(textBox) {
var perFlag = false;

$(textBox).keydown(function (event) {
    if ((event.keyCode == 190 || event.keyCode == 110) && !perFlag) {
        if (!this.value.contains('.')) {
            return;
        }
    }// Allow: backspace, delete, tab, escape, and enter
    if (event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 9 || event.keyCode == 27 || event.keyCode == 13 ||
        // Allow: Ctrl+A
    (event.keyCode == 65 && event.ctrlKey === true) ||
        // Allow: home, end, left, right
    (event.keyCode >= 35 && event.keyCode <= 39)) {
        // let it happen, don't do anything
        return;
    }
    else {
        // Ensure that it is a number and stop the keypress
        if (event.shiftKey || (event.keyCode < 48 || event.keyCode > 57) && (event.keyCode
        < 96 || event.keyCode > 105)) {
            event.preventDefault();
        }
    }
});
}