diff --git a/index.html b/index.html
index a554eba..d49b03a 100644
--- a/index.html
+++ b/index.html
@@ -31,7 +31,7 @@
           <td colspan="5">
             <div class="work-area">
 
-              <div class="window">
+              <div class="window" style="z-index: 90; left: 17px; top: 41px;">
                 <div class="window-title">Форма ввода</div>
                 <div class="window-body">
                   <form class="form" id="form">
@@ -68,7 +68,7 @@
                 </div>
               </div>
               
-              <div class="window">
+              <div class="window" style="z-index: 93; left: 89px; top: 416px;">
                 <div class="window-title">Ответ</div>
                 <div class="window-body">
                   <table class="table">
@@ -87,7 +87,7 @@
                 </div>
               </div>
 
-              <div class="window three-d">
+              <div class="window three-d" style="z-index: 91; left: 559px; top: 66px;">
                 <div class="window-title">areas.png</div>
                 <div class="window-body">
                   <img src="images/areas.png" alt="Мишень">
diff --git a/script.ts b/script.ts
index edccaf6..6f4c5e6 100644
--- a/script.ts
+++ b/script.ts
@@ -79,14 +79,14 @@ rButtons.forEach((button: HTMLButtonElement) => {
     });
 });
 
-const form = document.querySelector('#form');
-form.addEventListener('submit', e => {
-    e.preventDefault();
-    if (isNaN(request.y)) {
-        document.querySelector<HTMLAudioElement>('#error_sound').play();
-        const _window = document.createElement('div');
-        _window.classList.add('window');
-        _window.innerHTML = `
+const showError = (errorText: string) => {
+    document.querySelector<HTMLAudioElement>('#error_sound').play();
+    const _window = document.createElement('div');
+    _window.classList.add('window');
+    _window.style.zIndex = String(500);
+    _window.style.left = "35%";
+    _window.style.top = "35%";
+    _window.innerHTML = `
             <div class="window-title">
               <span>Ошибка</span>
               <span class="button close">X</span>
@@ -94,11 +94,18 @@ form.addEventListener('submit', e => {
             <div class="window-body">
               <div class="error">
                 <img src="images/error.png" alt="Error Icon"/>
-                <p>Ошибка, проверьте, что Y это число</p>
+                <p>${errorText}</p>
               </div>
             </div>`;
-        windowDragHandler(_window);
-        document.querySelector<HTMLDivElement>('.work-area').append(_window);
+    windowDragHandler(_window);
+    document.querySelector<HTMLDivElement>('.work-area').append(_window);
+}
+
+const form = document.querySelector('#form');
+form.addEventListener('submit', e => {
+    e.preventDefault();
+    if (isNaN(request.y)) {
+        showError('Ошибка, проверьте, что Y это число')
         return;
     }
 
@@ -108,12 +115,18 @@ form.addEventListener('submit', e => {
         r: String(request.r),
     });
     const response = fetch(`/ipa/cgi.jar?${params.toString()}`);
-    response.then(response => response.text().then(
-        html => {
-            const element = document.createElement('tr');
-            element.innerHTML += html;
-            if (response.headers.get('X-Gol') === 'no') element.classList.add('grey');
-            document.querySelector("#results").append(element);
+    response.then(response => {
+        if (response.status !== 200) {
+            showError("Ошибка при обработке запроса. Пожалуйста, попробуйте позже");
+            return;
         }
-    ));
+        response.text().then(
+            html => {
+                const element = document.createElement('tr');
+                element.innerHTML += html;
+                if (response.headers.get('X-Gol') === 'no') element.classList.add('grey');
+                document.querySelector("#results").append(element);
+            }
+        )
+    });
 });
\ No newline at end of file