<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Original:  jgw (jgwang@csua.berkeley.edu ) -->
<!-- Web Site:  http://www.csua.berkeley.edu/~jgwang/ -->
function cl_CheckCapsLock( e, myMsg ) {
	var myKeyCode=0;
	var myShiftKey=false;	

	// Internet Explorer 4+
	if ( document.all ) {
		myKeyCode=e.keyCode;
		myShiftKey=e.shiftKey;

	// Netscape 4
	} else if ( document.layers ) {
		myKeyCode=e.which;
		myShiftKey=( myKeyCode == 16 ) ? true : false;

	//Firefox
	} else if (e.shiftKey) {
		myKeyCode = e.which;
		myShiftKey = (e.shiftKey == true) ? true : false;

	// Netscape 6
	} else if ( document.getElementById ) {
		myKeyCode=e.which;
		myShiftKey=( myKeyCode == 16 ) ? true : false;

	}

	// Upper case letters are seen without depressing the Shift key, therefore Caps Lock is on
	if ( ( myKeyCode >= 65 && myKeyCode <= 90 ) && !myShiftKey ) {
		alert( myMsg );
		e.keyCode = 0;

	// Lower case letters are seen while depressing the Shift key, therefore Caps Lock is on
	} else if ( ( myKeyCode >= 97 && myKeyCode <= 122 ) && myShiftKey ) {
		alert( myMsg );
		e.keyCode = 0;

	}
}