<!--

function swapImageOver( obj ) {
	var id	= obj.id;
	if ( ! id )
		id	= obj.name;
	if ( ! id )
		return false;
	var src		= obj.src;
	if ( ! src )
		return false;
	var fileName	= src.replace ( /^.*\//, ''  );
	var fileDir		= src.replace ( fileName, '' );
	var fileType	= fileName.replace ( /^.*\./, '.' );

	obj.src	= fileDir + id + '_ov' + fileType;

	return true;
}

function swapImageRestore( obj ) {
	var id	= obj.id;
	if ( ! id )
		id	= obj.name;
	if ( ! id )
		return false;
	var src		= obj.src;
	if ( ! src )
		return false;

	var fileName;
	if ( src.match ( /\// ) )
		fileName	= src.replace ( /^.*\//, '' );
	if ( src.match ( /\\/ ) )
		fileName	= src.replace ( /^.*\\/, '' );
	var fileDir		= src.replace ( fileName, '' );
	var fileType	= fileName.replace ( /^.*\./, '.' );

	obj.src	= fileDir + id + fileType;

	return true;
}

function swapImageApply( menuName ) {
	if ( menuName == '' )
		return false;
	var obj	= document.getElementById( menuName );
	if ( ! obj )
		return false;
	swapImageOver( obj );
}

//-->