button_preload1 = new Image();
button_preload1.src = "images/button-our_company-over.png";
button_preload2 = new Image();
button_preload2.src = "images/button-the_beers-over.png";
button_preload3 = new Image();
button_preload3.src = "images/button-new_releases-over.png";
button_preload4 = new Image();
button_preload4.src = "images/button-event_calendar-over.png";
button_preload5 = new Image();
button_preload5.src = "images/button-enter_to_win-over.png";
button_preload6 = new Image();
button_preload6.src = "images/button-photos.png";
button_preload7 = new Image();
button_preload7.src = "images/button-employment-over.png";
button_preload8 = new Image();
button_preload8.src = "images/button-contact-over.png";
button_preload9 = new Image();
button_preload9.src = "images/button-beer_bottle-over.png";
button_preload10 = new Image();
button_preload10.src = "images/button-small_calendar-over.gif";

function Image_Switch(Image_Name, File_Name){
     if (document.images[Image_Name].src.search(/clicked/) == -1){
          document.images[Image_Name].src = "images/" + File_Name;
     }
}