diff --git a/res/forum/script.js b/res/forum/script.js
index 55f1cea..3e6dd45 100644
--- a/res/forum/script.js
+++ b/res/forum/script.js
@@ -88,4 +88,45 @@ function is_admin()
             }
         })
     });
+}
+
+function show_upload_popup()
+{
+    $("#upload_popup").css("display", "flex");
+}
+
+function upload()
+{
+    let formData = new FormData();
+    formData.append('file_upload', $('#file_upload')[0].files[0]);
+
+    $.ajax
+    ({
+        url : './res/forum/api/upload_picture.php',
+        type : 'POST',
+        data : formData,
+        processData: false,
+        contentType: false,
+        success : function(result)
+        {
+            switch (result.status)
+            {
+                case 0:
+                    show("home");
+                    break;
+
+                case 1:
+                    alert("Nebyl nahrán soubor!");
+                    break;
+
+                case 2:
+                    alert("Nebyl vyplněn název příspěvku!");
+                    break;
+
+                case 3:
+                    alert("Neplatná formát!");
+                    break;
+            }
+        }
+    });
 }
\ No newline at end of file