// preload images

	pictureOneOff1 = new Image;

	pictureOneOff1.src = '/images/p_01_f.gif';

	pictureOneOff2 = new Image;

	pictureOneOff2.src = '/images/p_02_f.gif';

	pictureOneOff3 = new Image;

	pictureOneOff3.src = '/images/p_03_f.gif';

	pictureOneOff4 = new Image;

	pictureOneOff4.src = '/images/p_04_f.gif';