diff --git a/cams.js b/cams.js
new file mode 100644
index 0000000..2e63aeb
--- /dev/null
+++ b/cams.js
@@ -0,0 +1,139 @@
+// ==UserScript==
+// @name         MaxDockedCams Control
+// @namespace    http://tampermonkey.net/
+// @version      1.0
+// @description  Set maxDockedCamsForUser with a custom dialog
+// @author       You
+// @match        https://chat.fabswingers.com/*
+// @updateURL    https://git.upto.im/geekery/scripts/raw/branch/main/meta.js
+// @downloadURL  https://git.upto.im/geekery/scripts/raw/branch/main/cams.js
+// @grant        none
+// @run-at       document-idle
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    const BUTTON_ID = 'maxDockedCamsButton_SINGLETON';
+    const LOCK_KEY = 'maxDockedCams_scriptLock';
+
+    // Try to acquire lock
+    const lockValue = Date.now().toString();
+
+    if (localStorage.getItem(LOCK_KEY)) {
+        console.log('MaxDockedCams: Another instance already running, exiting');
+        return;
+    }
+
+    localStorage.setItem(LOCK_KEY, lockValue);
+
+    window.addEventListener('beforeunload', function() {
+        if (localStorage.getItem(LOCK_KEY) === lockValue) {
+            localStorage.removeItem(LOCK_KEY);
+        }
+    });
+
+    // Create custom dialog
+    function showCustomPrompt() {
+        // Create overlay
+        const overlay = document.createElement('div');
+        overlay.style.cssText = 'position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 9999999; display: flex; align-items: center; justify-content: center;';
+
+        // Create dialog box
+        const dialog = document.createElement('div');
+        dialog.style.cssText = 'background: white; padding: 20px; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.5); min-width: 300px;';
+
+        // Add content
+        dialog.innerHTML = `
+            <div style="font-family: Arial, sans-serif;">
+                <h3 style="margin: 0 0 15px 0; color: #333;">Set MaxDockedCams</h3>
+                <p style="margin: 0 0 10px 0; color: #666;">Enter a number:</p>
+                <input type="number" id="maxDockedInput" style="width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; font-size: 14px; box-sizing: border-box;" placeholder="Enter number" />
+                <div style="margin-top: 15px; text-align: right;">
+                    <button id="cancelBtn" style="padding: 8px 15px; margin-right: 10px; background: #ccc; color: #333; border: none; border-radius: 4px; cursor: pointer; font-size: 14px;">Cancel</button>
+                    <button id="okBtn" style="padding: 8px 15px; background: #4CAF50; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 14px;">OK</button>
+                </div>
+            </div>
+        `;
+
+        overlay.appendChild(dialog);
+        document.body.appendChild(overlay);
+
+        const input = document.getElementById('maxDockedInput');
+        const okBtn = document.getElementById('okBtn');
+        const cancelBtn = document.getElementById('cancelBtn');
+
+        // Focus input
+        setTimeout(() => input.focus(), 100);
+
+        // Handle OK button
+        okBtn.onclick = function() {
+            const value = input.value;
+            if (value === '') {
+                alert('Please enter a number');
+                return;
+            }
+
+            const number = parseInt(value, 10);
+            if (!isNaN(number)) {
+                window.maxDockedCamsForUser = number;
+                console.log(`maxDockedCamsForUser set to: ${number}`);
+                overlay.remove();
+                alert(`maxDockedCamsForUser successfully set to ${number}`);
+            } else {
+                alert('Please enter a valid number');
+            }
+        };
+
+        // Handle Cancel button
+        cancelBtn.onclick = function() {
+            console.log('User cancelled');
+            overlay.remove();
+        };
+
+        // Handle Enter key
+        input.onkeypress = function(e) {
+            if (e.key === 'Enter') {
+                okBtn.click();
+            }
+        };
+
+        // Handle Escape key
+        overlay.onkeydown = function(e) {
+            if (e.key === 'Escape') {
+                cancelBtn.click();
+            }
+        };
+    }
+
+    // Wait and create button
+    setTimeout(function() {
+        document.querySelectorAll(`[id^="maxDockedCamsButton"]`).forEach(btn => btn.remove());
+
+        const button = document.createElement('button');
+        button.id = BUTTON_ID;
+        button.textContent = 'Set MaxDockedCams';
+        button.type = 'button';
+        button.style.cssText = 'position: fixed; top: 10px; right: 10px; z-index: 999999; padding: 8px 12px; background-color: #4CAF50; color: white; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; box-shadow: 0 2px 5px rgba(0,0,0,0.3);';
+
+        button.addEventListener('click', function(e) {
+            e.preventDefault();
+            e.stopPropagation();
+            showCustomPrompt();
+        });
+
+        document.body.appendChild(button);
+        console.log('MaxDockedCams button created');
+
+        setInterval(function() {
+            const buttons = document.querySelectorAll(`#${BUTTON_ID}`);
+            if (buttons.length > 1) {
+                for (let i = 1; i < buttons.length; i++) {
+                    buttons[i].remove();
+                }
+            }
+        }, 500);
+
+    }, 100);
+
+})();
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