<!--

/*
 *------------------------------------------------------------------------------
 * swapimageover ( obj )
 *
 *	------------------------------------------------------------------------
 *	Information: onMouseOver Event Change Image
 *	Argument:	obj : document.forms
 *	Return:		: true, ۾: false
 *------------------------------------------------------------------------------
 */
function swapimageover ( obj )
{
	var id	= obj.id;
	if ( ! id )
		id	= obj.name;
	if ( ! id )
		return false;
	var src		= obj.src;
	if ( ! src )
		return false;
	// ե̾.
	var fileName	= src.replace ( /^.*\//, ''  );
	// ǥ쥯ȥѥ.
	var fileDir	= src.replace ( fileName, '' );
	// ĥҤ.
	var fileType	= fileName.replace ( /^.*\./, '.' );

	obj.src	= fileDir + id + '_over' + fileType;

	return true;
}

/*
 *------------------------------------------------------------------------------
 * swapimagerestore ( obj )
 *
 *	------------------------------------------------------------------------
 *	Information: onMouseOut Event Restore Image
 *	Argument:	obj : document.forms
 *	Return:		: true, ۾: false
 *------------------------------------------------------------------------------
 */
function swapimagerestore ( obj )
{
	var id	= obj.id;
	if ( ! id )
		id	= obj.name;
	if ( ! id )
		return false;
	var src		= obj.src;
	if ( ! src )
		return false;

	// ե̾.
	var fileName;
	if ( src.match ( /\// ) )
		fileName	= src.replace ( /^.*\//, '' );
	if ( src.match ( /\\/ ) )
		fileName	= src.replace ( /^.*\\/, '' );
	// ǥ쥯ȥѥ.
	var fileDir	= src.replace ( fileName, '' );
	// ĥҤ.
	var fileType	= fileName.replace ( /^.*\./, '.' );

	obj.src	= fileDir + id + fileType;

	return true;
}
//-->

function GrayOff(img){
	img.filters["Gray"].enabled = false;
}

function GrayOn(img){
	img.filters["Gray"].enabled = true;
}