Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 1774)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 1775)
@@ -113,4 +113,7 @@
 		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/1998">#1998</a>] The native
 			XMLHttpRequest class is now used in IE, whenever it is available.</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/1792">#1792</a>] In IE,
+			the browser was able to enter in an infinite loop when working with multiple editors
+			in the same page. </li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js
===================================================================
--- /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js	(revision 1774)
+++ /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js	(revision 1775)
@@ -301,14 +301,8 @@
 		if ( this.Mode == FCK_EDITMODE_WYSIWYG )
 		{
-			// The following check is important to avoid IE entering in a focus loop. Ref:
-			// http://sourceforge.net/tracker/index.php?func=detail&aid=1567060&group_id=75348&atid=543653
-			if ( FCKBrowserInfo.IsIE && this.Document.hasFocus() )
-				this._EnsureFocusIE() ;
-
-			this.Window.focus() ;
-
-			// In IE it can happen that the document is in theory focused but the active element is outside it
 			if ( FCKBrowserInfo.IsIE )
-				this._EnsureFocusIE() ;
+				this._FocusIE() ;
+			else
+				this.Window.focus() ;
 		}
 		else
@@ -324,8 +318,11 @@
 }
 
-FCKEditingArea.prototype._EnsureFocusIE = function()
-{
-	// In IE it can happen that the document is in theory focused but the active element is outside it
+FCKEditingArea.prototype._FocusIE = function()
+{
+	// In IE it can happen that the document is in theory focused but the
+	// active element is outside of it.
 	this.Document.body.setActive() ;
+
+	this.Window.focus() ;
 
 	// Kludge for #141... yet more code to workaround IE bugs
Index: /FCKeditor/trunk/editor/_source/internals/fck.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fck.js	(revision 1774)
+++ /FCKeditor/trunk/editor/_source/internals/fck.js	(revision 1775)
@@ -1146,6 +1146,20 @@
 function FCKFocusManager_Win_OnFocus_Area()
 {
+	// Check if we are already focusing the editor (to avoid loops).
+	if ( FCKFocusManager._IsFocusing )
+		return ;
+
+	FCKFocusManager._IsFocusing = true ;
+
 	FCK.Focus() ;
 	FCKFocusManager_Win_OnFocus() ;
+
+	// The above FCK.Focus() call may trigger other focus related functions.
+	// So, to avoid a loop, we delay the focusing mark removal, so it get
+	// executed after all othre functions have been run.
+	FCKTools.RunFunction( function()
+		{
+			delete FCKFocusManager._IsFocusing ;
+		} ) ;
 }