// JavaScript Document
var isAgreement = false;

// [hɃCxgnhݒ肷
$(document).ready(function() {
    checkAgreement();

    $("#agreement_cb").click(function() {
        checkAgreement();
    });
});

function checkAgreement() {
    isAgreement = $("#agreement_cb").attr("checked");
    // `FbN{bNXNbNꂽ瑗M{^̉•s‚ݒ
    $("#send_bt").attr("disabled", !isAgreement);
    // 摜ւ
    if (isAgreement) {
        $("#remove_bt").remove();
        $("#send_bt").css('display', 'block');
    } else {
        $("#send_bt").css('display', 'none');
        var btnImage = $("#send_bt").children();
        var btnImageSrc = btnImage.attr("src");
        var newBtnImage = btnImage.clone();
        newBtnImage.attr("src", btnImageSrc.replace('_off', ''))
        newBtnImage.attr("id", 'remove_bt')
        $("#entry_check").append(newBtnImage);
    }
}