// 
            
            // 
            const head3gMZe2bqj9 = document.getElementsByTagName('head');

            // 
            if (window.jQuery) {
                // no action.
            } else {
                // 
                const forJqueryScriptTag3gMZe2bqj9 = document.createElement('script');
                forJqueryScriptTag3gMZe2bqj9.src = 'https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js';
                head3gMZe2bqj9[0].appendChild(forJqueryScriptTag3gMZe2bqj9);
            }
            
            // 
            const forAxiosScriptTag3gMZe2bqj9 = document.createElement('script');
            forAxiosScriptTag3gMZe2bqj9.src = 'https://cdn.jsdelivr.net/npm/axios@1.1.2/dist/axios.min.js';
            head3gMZe2bqj9[0].appendChild(forAxiosScriptTag3gMZe2bqj9);
            
            // 
            const forAnimateCssLinkTag3gMZe2bqj9 = document.createElement('link');
            forAnimateCssLinkTag3gMZe2bqj9.href = 'https://adtasukaru.com/css2/animate.css';
            forAnimateCssLinkTag3gMZe2bqj9.rel = 'stylesheet';
            head3gMZe2bqj9[0].appendChild(forAnimateCssLinkTag3gMZe2bqj9);

            // 
            function executeActionsAfterTools01FormatClicked3gMZe2bqj9(tools01FormatId, abTestStatus, section) {
                // 
                const params = new URLSearchParams();
                params.append('tools01_format_id', tools01FormatId);
                params.append('ab_test_status', abTestStatus);
                params.append('section', section);
                params.append('referrer', location.href);
                axios.post(`https://adtasukaru.com/l/api/tools01/format/execute-after-clicked-actions`, params);
            }
            // // 
            // if (typeof executeActionsAfterTools01FormatClicked !== 'function') {
            // } else {
            //     console.log('executeActionsAfterTools01FormatClicked is already defined.');
            // }
        
            
            // 
            (function() {
                history.replaceState(null, null, location.href.replace(location.hash, ''));

                // 
                let formatHtml;

                // 
                
                    console.log("format in section1 → OK");
                    let section1FormatId = '1';
                
                    formatHtml =
                    '<div id="format-number-1" style="display: none;">'+
                        '<div class="popup01-background"></div>'+
                        '<div class="popup01-outline">'+
                            '<div class="popup01-close">×</div>'+
                            '<a href="https://osake-no-kaitori.com/ab/link_buysell-sake?rpop" target="_blank" rel="noopener" class="popup-anchor" onclick="executeActionsAfterTools01FormatClicked3gMZe2bqj9(927, \'0\', 1)">'+
                                '<div class="popup01-outline2" style="border: solid 10px #BA372A;background: white;">'+
                                    '<div class="popup-body01" style="background:transparent;padding-top:10px;padding-bottom:10px;"><span><p><br /><span style="background-color: #fbeeb8; font-size: 14pt;"><strong>＼買取実績<span style="color: #ff020b;">3,700万点以上<span style="color: #000000;">！</span></span>／<br /><br /></strong></span></p><p><img style="width: 317px; height: 208px;" src="https://adtasukaru.com/uploads/user/active/o50GT61cz8VdXEju.jpg" /></p></span></div>'+
                                    '<div class="popup-body02" style="background:transparent;padding-top:0px;padding-bottom:30px;">'+
                                        '<div class="popup-button" style="background:#BFEDD2;width: 250px;height: 80px;border-radius: 10px;"><span>＼<strong>24時間受付</strong>／<br /><strong><span style="color: #ff020b; font-size: 14pt;">無料査定</span>申込みフォーム</strong></span></div>'+
                                    '</div>'+
                                '</div>'+
                            '</a>'+
                        '</div>'+
                    '</div>';
                    document.documentElement.insertAdjacentHTML('beforeend', formatHtml);
                
                    console.log("format in section2 → NO");
                    let section2FormatId = undefined;
                
                    console.log("format in section3 → NO");
                    let section3FormatId = undefined;
                

                // 
                window.addEventListener('load', function(){

                    // 
                    
            // 
            const head = document.getElementsByTagName('head');

            // 
            const forTools01CssLinkTag = document.createElement('link');
            forTools01CssLinkTag.href = 'https://adtasukaru.com/css2/tools01.css';
            forTools01CssLinkTag.rel = 'stylesheet';
            head[0].appendChild(forTools01CssLinkTag);

            // 
            let forTools01JsScriptTag = document.createElement('script');
            forTools01JsScriptTag.src = 'https://adtasukaru.com/js2/tools01.js';
            head[0].appendChild(forTools01JsScriptTag);
        

                    // memorize how far popup has gone
                    let displayType = '0';
                    let displayFormatNumber = '1';
                    let maxReachedSection = '1';
                    let checkStockPointsApiExecuted = false;

                    // 
                    let timeoutId;
                    window.addEventListener('scroll', function () {
                        // 
                        var storedScrollPosition = sessionStorage.getItem('scrollPosition');
                        if (storedScrollPosition !== null) {
                            window.scrollTo(0, storedScrollPosition);
                            sessionStorage.removeItem('scrollPosition'); // スクロール位置を一度使用したら削除する
                        }else {
                            // no action.
                        }

                        // 
                        if(!timeoutId) { // if 'timeoutId' is unset
                            // ok.
                        }else {
                            return;
                        }

                        // 
                        timeoutId = setTimeout(() => {
                            timeoutId = 0;
                            
                            // 
                            let scrollTop = document.documentElement.scrollTop;
                            let clientHeight = document.documentElement.clientHeight;

                            // 
                            if(displayType === '0') { // type 'memorize'
                                console.log("displayType: 'memorize', maxReachedSection: "+maxReachedSection);
                            } else if(displayType === '1') { // type 'there'
                                console.log("displayType: 'there', displayFormatNumber: "+displayFormatNumber);
                            } else {
                                // no action.
                            }
                
                            // 
                            if(document.getElementById("adtasukaruPopup01Partition01") !== null) {
                                if(document.getElementById("adtasukaruPopup01Partition02") !== null) { // partitionTag01 exists & partitionTag02 exists
                                    // 
                                    let partition01OffsetTop = document.getElementById("adtasukaruPopup01Partition01").offsetTop - (clientHeight / 2);
                                    let partition02OffsetTop = document.getElementById("adtasukaruPopup01Partition02").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if(scrollTop <= partition01OffsetTop) { // section '1'
                                        // 
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }else if(partition01OffsetTop < scrollTop && scrollTop <= partition02OffsetTop ) { // section '2'
                                        // 
                                        maxReachedSection = maxReachedSection < '2' ? '2' : maxReachedSection;

                                        // 
                                        if(section2FormatId !== undefined) {
                                            displayFormatNumber = '2';
                                        } else {
                                            // no action.
                                        }
                                    } else if(partition02OffsetTop < scrollTop) { // section '3'
                                        // 
                                        maxReachedSection = maxReachedSection < '3' ? '3' : maxReachedSection;

                                        // 
                                        if(section3FormatId !== undefined) {
                                            displayFormatNumber = '3';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section 'unknown'
                                        // no action.
                                    }
                                }else { // partitionTag01 exists & partitionTag02 not exists
                                    // 
                                    let partition01OffsetTop = document.getElementById("adtasukaruPopup01Partition01").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if( partition01OffsetTop < scrollTop ) { // section '2'
                                        maxReachedSection = maxReachedSection < '2' ? '2' : maxReachedSection;
                                        if(section2FormatId !== undefined) {
                                            displayFormatNumber = '2';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section '1'
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }
                                }
                            }else {
                                if(document.getElementById("adtasukaruPopup01Partition02") !== null) { // partitionTag01 not exists & partitionTag02 exists
                                    // 
                                    let partition02OffsetTop = document.getElementById("adtasukaruPopup01Partition02").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if(partition02OffsetTop < scrollTop) { // section '3'
                                        maxReachedSection = maxReachedSection < '3' ? '3' : maxReachedSection;
                                        if(section3FormatId !== undefined) {
                                            displayFormatNumber = '3';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section '1'
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }
                                }else { // partitionTag01 not exists & partitionTag02 not exists
                                    // 
                                    if(section1FormatId !== undefined) { //1の領域
                                        displayFormatNumber = '1';
                                    } else {
                                        // no action.
                                    }
                                }
                            }
                        }, 200); // setTimeout
                    }); // window.addEventListener('scroll', ...

                    // 
                    let displayedCount = 0;

                    // 
                    history.pushState(null, null, null);

                    // 
                    let currentPageUrl = location.href;
                    
                    // 
                    window.onpopstate = function(event) {
                        let targetLocationHref = event.target.location.href;
                        let differenceBetweenCurrentAndLocationUrl = targetLocationHref.replace(currentPageUrl, '');
                        console.log('=== event ===');
                        console.log(event);
                        console.log('currentPageUrl: '+currentPageUrl);
                        console.log('event.target.location: '+targetLocationHref);
                        console.log('differenceBetweenCurrentAndLocationUrl: '+differenceBetweenCurrentAndLocationUrl);

                        // 
                        let isBrowserBackAction = true;
                        if(differenceBetweenCurrentAndLocationUrl === '') {
                            // ok.
                        }else {
                            isBrowserBackAction = false;
                        }
                        
                        // 
                        if(isBrowserBackAction === true) {
                            if(event.state === null) {
                                // block going back to the original scroll position.
                                const scrollPosition = window.scrollY;
                                sessionStorage.setItem('scrollPosition', scrollPosition);
    
                                // 
                                if(displayType === '0') { // type 'memorize'
                                    // 
                                    switch (maxReachedSection) {
                                        case '1':
                                            displayFormatId = section1FormatId;
                                            break;
                                        case '2':
                                            displayFormatId = section2FormatId;
                                            break;
                                        case '3':
                                            displayFormatId = section3FormatId;
                                            break;
                                        default:
                                            // no action.
                                            break
                                    }
                                    displayFormatNumber = maxReachedSection;
                                } else {
                                    // no action.
                                }
    
                                // define displayFormatId
                                switch (displayFormatNumber) {
                                    case '1':
                                        displayFormatId = section1FormatId;
                                        break;
                                    case '2':
                                        displayFormatId = section2FormatId;
                                        break;
                                    case '3':
                                        displayFormatId = section3FormatId;
                                        break;
                                    default:
                                        // no action.
                                        break
                                }
    
                                // 残ポイントチェック＆表示回数+1
                                if(displayedCount === 0) {
                                    if(checkStockPointsApiExecuted === false) {
                                        checkStockPointsApiExecuted = true;
                                        let params = new URLSearchParams();
                                        params.append('encrypted_tools01_page_data', 'e4KpoTsmRtFB6rOs8qjo35hM4daIyoYbS6/zLw+bAIu9++//qsnbGNeBgduEdQsXy2CmFmUC3K1CG/qMTT5/Ki5NxzLUs6+hprVRTGO3URzztysU2cftA4ENnmx53DeNiZPsuin4HDQxwmSrd8+VTjg7raRsM0srhMfoE1+z/lHp7pCDCpCy0HWA99P0JcdfTdfO1QhpD8GwNb+sFz6F/sPzNOMCyV4DobdC9W+jB99XOTKdiOgYOayA8MRVV2qm6TWGKWMpJWTupc9wYSjwj2UJaXqm1GI8QWzsvcAdWwPtFJ93Epx2DD9n1zx20QLADP+KGhIQ6P0uuQGB+ww1XF3PeVr5WlL0PYqE/rV1Vpizfw9oUPpukUBu8TdbW0NMb6PP/97exqkSV/cjAQgLW4vN0M/lVoJjJsGQZ7AncUJQnfUnWcXimAcmtWjvuKUaeVXHE3VskiATcej2Q3LrOQNNI5XWouSnGL/1SBCChE+KiJ3C6zi1HkLooUhMgxTtOzDSIJiw0wTwz5cnK8SuEnlOHhFgGqb2RU3HBOu695002VCXfX7SLcDPYiDXY6hU4N4TQLaTnBz2o+6ywxy+C9BJmcJSwn9bnNlWQYgC8kFoC6K1LNHAgsam2nId7cgTef7FsE8U0GZhrhajCzDZNzHkUVXtsX0cfnII1W2S0QpIZOI2s55MxIGo7lPiR/29nsmtlTDM8Xff/KCU/EUaMJQh4vYocCYTw3vuON1RWp52Qo3uwNJl7Qejks0OtwLnOVsiq+J6j1hW2KqMMH6eFL4AeFvtEzp1JZC6VuTfiasod+NS6V3EsmMlHbGfZ2TiFlpeymcMlVstDV6VA7NYbMkTmfy3ODq+94r0czWgpa5hmRDeVHIqJ3V6rZ6oMx7Vr/889zThBOGgpIT2Etmn8VJAilyVVk+Ep6Jbnbg8iiL3XLBCTJXj2AJGES9M6IHkxEsKFPuyurMeV4/H2mVMtj5LXY9sqFnlxHjyAZUZ638KoJW4BwiFvrjGk2hZ0ykcMuZQ3hETSdcLreJB3nkFcn8PR99ljb0JF15P3dWPgsBX1XOHaLp5DzaLZU9WOSiKo4ltNV3An3V4zzusoyVIPe78UnKTl3B1JXdqi3kCg6XF9K+XcTs8Y3/FPOuJuso38bRKRNoB5qXnJ7VOwNA2ogT0bQSEtHfemv0SH1R2ohUDOWFecFU9VrS6V3oxWBaFwzNqgDCd2rU/VwGHim9OC5wjI5O0+HVZRIUOt8WTA/E8Tx4FOHf1UBfEXmGH7Q36wCvC0uzX5Nn7Qe+xpJfxbyOu2W+75nd2wk01oQpYurJF6q0gZ+zNwLSuu5R4trhj3aA5DN7mdXNBW2MZgQfo8HifjVZl6npyOfmRKpsuxGoGpsBWQXEcoejCKd2vKelqCisoRRqVviadOJsjJg7p627DmqDzsgOLg5kVANY97s6NjktTCskT2oQo6vKSUYV6yaEAHIWP52/UH/Iv7B2QukUsJsn9lvTSrTDOsyRBIJckn2BdR13CBXjb76jnv/n55+AqHbTDaZsXt7IAF1XUcTgZ1DO8yTNXcBifT8emq+YvOAXRBEo7bkY722uNuGWF5mznCmjs9+bCsbcSJPxOYuBXuTlq+P87fViJAqkmc7HopbIh4x7NNGpN4PJ74+YA+mSkvbVJWLiqccL7+7Vhyt32RJVnPZx8Nrqko4clvCxoGJxrWheOplFeEFecLn6k+FbDwBYUzEn6hnp9/iwNVxk3+Y/iHLgf+qxz4J88HOnTZXxfUm/RnDgCQYtJLxwdHzYMlqQNYSHCMZq1QYiCih3tIpTMhY/CrGkSB8kpUZuX4Ubft4TB5wgmHPzSauwFsKqjXVquns2yYKsaBE4Kywaqhu9PR/1BfV6Z0JTMYSjs0iUG2NHPNXTWrI27T9Bc2jyvxGEsN2745h5jFUs8U50iBIV1y0EGN06NeonM8b8GB/USJfKJ+wba3ESiBByJK5FWchF5BfSeT6CXg//WeOBb+Eqit5l5rDlcdVtjbI7byNnRsy9/C+PzyrmfR+lAKkEAulPwWarSBg7ZCpwfylQDLG+Oh4ctsZRSyQH9waiUu0ZenNsClCH31qNI6MAvmAECEkvJs0q/5//FsDkqDvz+z3VYyEm/py6jp+mznmbB/sBJXhp2GJxmDVrEVihHrRqUdLPoxswuyOaH6MyYAVTdepn50d05nNABiH44oiH91cXmZHv4MnPUisq+lAKTT4oWuzf5mjDEcdf/Zo72qurd/QhO5ZbBnXCvBhuboUeJ/SEu2MnmmbZkYODkFn52xwbwFbrssKHDvJbjE8DAD9FBOfLwTdVfHbso7OR6ds0IW9aMQTgcLol8ttEtQr541DYT/LhbZuPbIIpyO9Bn3if1fk9vVwWxsWDp7F32tSChbznDyvUDy8FXwLLgKeiK4i9/T/Be3b8jnaJA5Wu1KwqCmkrATRI+bN3PZHzKeoE0UWYf9ggDHjq3E+ci1TUsn2qb4/SCojFUE+zkqz0GzjAApdnDXbu558BCdHcgva/hPyo3YODuUi/th8Dm3GBrppm1gYZEJVAcNeoqTQyCfkoVSWnNeb0xcu0Jpg/aINHbfSALU6HcxPPXgIH2FFBUtEYgjVdzdQu8AtBHWELEFZ30xRunzg5ZiiSGjY8AaqIQSUuG96QkqjWkmStZrNd5DpCHaW6hvAHsbM7AuA15fYvA+LzpOxYx37O5fs6Uql3xt3DAUTQoRdBu6kaeGgrIzY49MtUyUlVs/Hm641latbNC/v//dbHR2LOZJmasY1CLPoZyDgGS+VnNS2khO5AuPjDjve2YaBceo/NfT15ohEj4ZuxbSmGXrA1pIuS7eBjwkwDCvNkxGSmtFNz3OoDeH88XzGromGBed4glENoNQeUxc7bPP66QwfY5pqDT+2+38xWp0/rzxtuaqzSRk0Ty/I4OmP0kbIqGysOJG49yFbATYLlvGaK4XI1Kqpwt/lhoLlFllCI/W7SOBZ0HkKk2GMHUWs1faa1PQUgEdkQL2O9qJ7OD4l3OtacNF3p2NbDMDd1UqP8xWYqnaFZhCCioV0A/R8S9f9u4RNenilPa7fymqybbfyr4tisVeJ6BYI5NbeP7wlPeXjMRtYf/Na3k926mUl31p6UoM+07YtMxvVHV6/pMdT2Uole3dnCG1J2Vtth2giaFacW6u0e8iM2tFFHDQ7Kp8NammEeHjhBkQ2+Vs2WATQtxebVN2ZjAx/9I62r8o8Wn5V/em1JPxlBDucKukAAu5OCOVXT8/uivi1JRw8cndLWD6HMqKgwMbEHq3TZoTuF2sGTreAWaEOBV4HhZIeQkVB4aZa7J4O4Dkt220xBNDuR1RGXbaGEy0XMHrfue8HqrCMXWBxfKcFSfRuUQqvZ29fBMzBqORLsHo7ua+qQH/JkeE6egGnkmDMDYweoD1Iny3PgfQ72fVNPP3+i9r1OwUTNIUGuCCKSuNxQWHntjsG7M3I+KYtRVBmMAAyu3UPPTiaYZRTiVJ70YjTDOEzN11nEmcWw2p5oQ4qiHmTk7FTVUM9fWqD1MkfXeqqiwkXC89yvfY0kYe814LPOc/x651zjHeLxwanSfF9zmvMEBmeT9rIPH2uq4Qf6bDntURbvKXcXncP+QhFSrwAnpcAatZxh1DwrpVLFERjzYp6OfJg4Rr9WwiM4uSwSMZnzh86vZN4pWXELEntwrZ4epL4RnZMSpNbl3avANqbk8khRyr2bspjF6wLPLDj+MKA1kSYthTob1quQaSltm/Z4x6I4rffHKb7TOCWCgAFK1enjIXYecPlL6Xip09EZjTsylqcXdLAHFEuUXh56sTzQTMBncRQRgEfqDICVxL2Ppx1RmzDtE6PL8SkFKNakSgGxyZ91SoYQCw9QVkjGnx1ysVBQ1FVfyk3IC7XPSuGqptEpKVe0QL2cVn6QqnrmD164k37RZldlFyXpORifmqzxgSuz7m2J3BPpb1Z3VOt2BKt1ZcFEsLp7C4EQiU8HxrKqcrvd6EEv5nPsOZqx4r3Ri3KxRS/ZKbP/mLggYs+WrjzNUXLsCPQDU9xfOITSjsPv6ov5Oqnv787qCVqcnINN24WqVsIAsg/tB3in4163etbONwRGm/0TP/Nb4stnTSQmGl5G2y02rqchkhdrKiVgYZEmTHAqlH56Uf4aelOTL/NLrz5FtKT1ZJIZptSvGVkVsA+79100p7Aj85XwLzeDj4Lm4u7dgmhz6fT9IyaMlOmOQdXs69omHTopsrRluiCnzhnObKR6EPaUWxLzYptOfch/ss4nav/ETW3I4ry0ASLQMDa5oZnSGaHbZzzBIx5L2pZZExNqzeTJteaPnzXN6EPGmND15Fmr6XCoNcTlff9rOQwxhbRjjDWSqZxhugiyu8CjuDymYFNLxrr76yucSSML5UPw2Mxw3dl3cxVjFmO0/hhBEwxfmVoSkr8LYGXyIwSOPrpJt7NlzYFcu80fRrnAK6ZEpAUhkYauxzS/dae2sq26RB2u/8auqE9Mkk1mJz4e6CmBeMYUUsea5S0SFglA3tcb3pU/GsYOqFY6eE8+jxWsxnXIwqp2g65vgGqTLs7QtIRPebyveJLLOYVlielbPvj8wTyKdjVa+yGYtM3UJ7QMPQ+HpVzv5kMf2sOUptp9DIp0bO9q793sfbV+k6SALhZLVrWdlzUlP6Ra7VfaYzb3BL7SGKWGmL+Xmg1reA23+Z5mGrP6KLmdapwa5mSpHdkcdhx9zW1zlHfqs4GKydxvvXUEaB5I+n5yQKpFkc/oWdK9nJNJsZsJKhNLNz116kD/8FH0V1pW8gaFT5NHHSqI6l/FSB9/w+mJNhVWSfhDas28piDZ5gper9J9gxWKp9Iqd1kh1MD0OQfIStJ8H+HJAVyiWteXvgI2K4ndWyD2Rb1MBPyoT+r5FbN93azcAP7SY2Jery1Cog/rjIkQ2ygZuJ4EIMU7IvaE0iqqvVn2wL5eF3FubgT+ZWBKej75ZhUrcBABrlfB+usPfHB+v/8nfEAkwnwjh4nmHWqjFtkmBBmOEsnd+ZMJ2HCdWla0/LBVfDuuNGBAMuP+SAYdhkr19Cy+QOa9oteHsQfzWeSjfMxaZznTpledqfwTwoK1maHxzNTZ3wNDj7iZIAnqzfnzeSQfUl/COGfCPZ1WcSr7qdDGg5fLjjI25FJYvArVppF3rdp/cDaaGqCApqrr7+FGSd1UbA3aojnQZUjL0CLm2kFEV+lqnahNmc92oxON3xUEVLXnA8usjp5jwn52ZgnC5bGHmEFJChGW6SHgSiDApHlNNhRZcmfVo3vCT6qavYdTpuafoA2sT3+6Q5jZpr+S/CMky8+9ghlzKzIXE+hThVjBJdL6DIEh3cZX9bTlYnxcZ+dj+1IN4Rmfll+j0/eHYR3eC0U2kPz8B1uZdTtEEP/7tUPiw1kEsrfm4VFELtL0zN7pmbT9psGXxFeS5qnGg4mOkD+aPZJlEL+QcHK831kUklkJzhPffk6KbZetMkJ5TnE86MboG3gImD/bWi9HJ7yLnQeb4G/TcJpXRSAPez/hjYWaRHQoLp/J5DWzHt2YEGt6F18SRDalpgjQhjtG+RRelgkPT18iHoonlTeygHDpvNnbvNl0R7E9YTho0T4dZd9JKBlz5C82sMNh/WBNhV6mH+MPR5g+CFYeKjiZZjOoiB/nh2iWnn2CRScQFxgGs6kIB2b2eCw==');
                                        params.append('section', displayFormatNumber);
                                        axios
                                            .post(`https://adtasukaru.com/l/api/tools01/format/check-stock-and-spend-points`, params)
                                            .then((response) => {
                                                console.log(response);
                                                if(response.data.status === 200) {
    
                                                    // show
                                                    $('#format-number-'+displayFormatNumber).show();
                
                                                    // 
                                                    displayedCount++;
                
                                                    // 
                                                    return;
                                                } else {
                                                    console.log('no stock points.');
                                                    window.history.back(-1);
                                                    return;
                                                }
                                            })
                                            .catch((error) => {
                                                console.log(error);
                                                window.history.back(-1);
                                                return;
                                            });
                                    }else {
                                        console.log('checkStockPointsApi already executed.');
                                        window.history.back(-1);
                                        return;
                                    }
                                }else {
                                    console.log('popup already displayed.');
                                    window.history.back(-1);
                                    return;
                                }
                            }else {
                                console.log('event.state');
                                window.history.back(-1);
                                return;
                            }
                        }else {
                            // no action.
                        }
                    }; // window.onpopstate = function(event)
                }) // window.onload
            })(); // end of IIFE.