diff --git a/source/script.js b/source/script.js
index 5216ffa..d4b3869 100644
--- a/source/script.js
+++ b/source/script.js
@@ -28,4 +28,6 @@ const isMobile = ((dc, wd) => {
 
 var iFrameDetection = (window === window.parent) ? false : true;
 
-alert(isMobile, " == ", iFrameDetection);
\ No newline at end of file
+if(isMobile == true || iFrameDetection == true) {
+    document.write("ERROR");
+}
\ No newline at end of file