diff --git a/main.js b/main.js
index f944ea8..6f6d461 100644
--- a/main.js
+++ b/main.js
@@ -1738,8 +1738,7 @@ function ShowMenu() {
 			if (document.getElementById("HelperMenu") == null) {
 				ShowMenuList();
 			} else {
-				document.getElementById("HelperMenu").parentNode.removeChild(document.getElementById(
-					"HelperMenu"));
+				CloseMenu();
 			}
 		}); // adding click
 
@@ -1836,7 +1835,7 @@ function ShowMenuList() {
 			}
 
 			var scrollDiv = document.createElement("div");
-			scrollDiv.style.width = window.innerWidth / 2 + 'px';
+			scrollDiv.style.width = '100%';
 			scrollDiv.style.height = window.innerHeight - (window.innerHeight * 0.4) + "px";
 			scrollDiv.style.overflow = "auto";
 
@@ -1960,8 +1959,7 @@ function ShowMenuList() {
 		xButton.style.top = menuDiv.offsetHeight + 'px';
 
 		xButton.addEventListener("click", function() {
-			document.getElementById("HelperMenu").parentNode.removeChild(document.getElementById(
-				"HelperMenu"));
+			CloseMenu();
 		}); // adding clicktextNode
 		// help button ----------------------------------------------------------------------------------------------------------------
 		var helpButton = CreateNodeWithText(buttonCell, "Help", "button");
@@ -1998,6 +1996,20 @@ function ShowMenuList() {
 	} catch (e) {
 		Exception(e, "script error at showing menu list:");
 	}
+
+	document.addEventListener("keydown", EscClose); 
+}
+
+function EscClose(e) {
+	if (e.keyCode == 27)
+		CloseMenu();
+}
+
+function CloseMenu() {
+	document.getElementById("HelperMenu").parentNode.removeChild(document.getElementById(
+		"HelperMenu"));
+
+	document.removeEventListener("keydown", EscClose);
 }
 
 //: }}}