        <!-- // zamiana obrazkow
        var one = new Image
        var one_on = new Image
        var two = new Image
        var two_on = new Image
        var three = new Image
        var three_on = new Image
        var four = new Image
        var four_on = new Image
        var five = new Image
        var five_on = new Image

		one.src = "graf/index_foto.gif"
		one_on.src = "graf/rektyfikacja_foto.jpg"
		two.src = "graf/index_foto.gif"
        two_on.src = "graf/electric_foto.jpg"
		three.src = "graf/index_foto.gif"
        three_on.src = "graf/inzynierskie_foto.jpg"
		four.src = "graf/index_foto.gif"
        four_on.src = "graf/chemia_foto.jpg"
		five.src = "graf/index_foto.gif"
        five_on.src = "graf/kontakt_foto.jpg"
        //-->