function roll_over(img_name, img_src) {
   document[img_name].src = img_src;
}

image1 = new Image();
image1.src = "/layouts/zulublonde/images/wandering_keg_over.jpg";
image2 = new Image();
image2.src = "/layouts/zulublonde/images/events_over.jpg";
image3 = new Image();
image3.src = "/layouts/zulublonde/images/where_over.jpg";
image4 = new Image();
image4.src = "/layouts/zulublonde/images/order_over.gif";
image5 = new Image();
image5.src = "/layouts/zulublonde/images/tshirt_over.jpg";
image6 = new Image();
image6.src = "/layouts/zulublonde/images/beertours_over.gif";
image7 = new Image();
image7.src = "/layouts/zulublonde/images/zululandbrewery_over.gif";
image8 = new Image();
image8.src = "/files/27/images/beer_over.jpg";
image9 = new Image();
image9.src = "/files/27/images/theBrewery_over.gif";
image10 = new Image();
image10.src = "/files/27/images/breweryTours_over.gif";
image11 = new Image();
image11.src = "/files/27/images/eshowe_over.gif";
image12 = new Image();
image12.src = "/files/27/images/t_shirt_red.jpg";
image13 = new Image();
image13.src = "/files/27/images/t_shirt_grey.jpg";
image14 = new Image();
image14.src = "/files/27/images/t_shirt_white.jpg";
image15 = new Image();
image15.src = "/files/27/images/bass_and_beer_small_over.jpg";
image16 = new Image();
image16.src = "/files/27/images/mountain_bike_small_over.gif";
image17 = new Image();
image17.src = "/files/27/images/golf_and_beer_small_over.gif";
image18 = new Image();
image18.src = "/files/27/images/birding_and_beer_small_over.gif";
image19 = new Image();
image19.src = "/files/27/images/south_african_Beer_tour_small_over.gif";
image20 = new Image();
image20.src = "/files/27/images/zuluBlonde_over.jpg";
image21 = new Image();
image21.src = "/files/27/images/golf_and_beer_home_off.gif";
image22 = new Image();
image22.src = "/layouts/zulublonde/images/support_over.gif";
image23 = new Image();
image23.src = "/files/27/images/rotary_icon_over.gif";
image24 = new Image();
image24.src = "/files/27/images/cannina_icon_over.gif";
image25 = new Image();
image25.src = "/files/27/images/chennells_icon_over.gif";
image26 = new Image();
image26.src = "/files/27/images/roundtable_icon.gif";
image27 = new Image();
image27.src = "/files/27/images/media-on.jpg";
image28 = new Image();
image28.src = "/files/27/images/export-on.jpg";
image29 = new Image();
image29.src = "/files/27/images/book-on.jpg";
image30 = new Image();
image30.src = "/files/27/images/golf-and-beer-connoisseurs-club-over.jpg";
image31 = new Image();
image31.src = "/layouts/zulublonde/images/eshow-tracking-off.gif";