<SCRIPT LANGUAGE="JAVASCRIPT">

var oLastBtn=0;

            bIsMenu = false;

            if (window.Event)

            document.captureEvents(Event.MOUSEUP);

            function nocontextmenu()

            {

            event.cancelBubble = true

            event.returnValue = false;

            return false;

            }

            function norightclick(e)

            {

            if (window.Event)

            {

            if (e.which !=1)

            return false;

            }

            else

            if (event.button !=1)

            {

            event.cancelBubble = true

            event.returnValue = false;

            return false;

            }

            }

            document.oncontextmenu = nocontextmenu;

            document.onmousedown = norightclick;

             function onKeyDown() {

                        if ( (event.altKey) || ((event.keyCode == 8) &&

                           (event.srcElement.type != "text" &&

                            event.srcElement.type != "textarea" &&

                            event.srcElement.type != "password")) ||

                           ((event.ctrlKey) && ((event.keyCode == 78) ||

                            (event.keyCode == 82)) ) ||

                            (event.keyCode == 116) ) {

                               event.keyCode = 0;

                               event.returnValue = false;

                        }

             }

</SCRIPT>