if(document.images) {

da_nav_author_on = new Image;
da_nav_author_off = new Image;
da_nav_shouldyou_on = new Image;
da_nav_shouldyou_off = new Image;
da_nav_isthis_on = new Image;
da_nav_isthis_off = new Image;
da_nav_isthissomekind_on = new Image;
da_nav_isthissomekind_off = new Image;
da_nav_fromtheus_on = new Image;
da_nav_fromtheus_off = new Image;
da_nav_fromiceland_on = new Image;
da_nav_fromiceland_off = new Image;
da_isthissupposed_buy_on = new Image;
da_isthissupposed_buy_off = new Image;
da_shouldyou_buy_on = new Image;
da_shouldyou_buy_off = new Image;
da_shouldyou_prev_on = new Image;
da_shouldyou_prev_off = new Image;
da_shouldyou_next_on = new Image;
da_shouldyou_next_off = new Image;
da_isthissomekind_buy_on = new Image;
da_isthissomekind_buy_off = new Image;
da_isthissomekind_prev_on = new Image;
da_isthissomekind_prev_off = new Image;
da_isthissomekind_next_on = new Image;
da_isthissomekind_next_off = new Image;

da_nav_author_on.src = "img/da_nav_author_on.gif";
da_nav_author_off.src = "img/da_nav_author_off.gif";
da_nav_shouldyou_on.src = "img/da_nav_shouldyou_on.gif";
da_nav_shouldyou_off.src = "img/da_nav_shouldyou_off.gif";
da_nav_isthis_on.src = "img/da_nav_isthis_on.gif";
da_nav_isthis_off.src = "img/da_nav_isthis_off.gif";
da_nav_isthissomekind_on.src = "img/da_nav_isthissomekind_on.gif";
da_nav_isthissomekind_off.src = "img/da_nav_isthissomekind_off.gif";
da_nav_fromtheus_on.src = "img/da_nav_fromtheus_on.gif";
da_nav_fromtheus_off.src = "img/da_nav_fromtheus_off.gif";
da_nav_fromiceland_on.src = "img/da_nav_fromiceland_on.gif";
da_nav_fromiceland_off.src = "img/da_nav_fromiceland_off.gif";
da_isthissupposed_buy_on.src = "img/da_isthissupposed_buy_on.gif";
da_isthissupposed_buy_off.src = "img/da_isthissupposed_buy_off.gif";
da_shouldyou_buy_on.src = "img/da_shouldyou_buy_on.gif";
da_shouldyou_buy_off.src = "img/da_shouldyou_buy_off.gif";
da_shouldyou_prev_on.src = "img/da_shouldyou_prev_on.gif";
da_shouldyou_prev_off.src = "img/da_shouldyou_prev_off.gif";
da_shouldyou_next_on.src = "img/da_shouldyou_next_on.gif";
da_shouldyou_next_off.src = "img/da_shouldyou_next_off.gif";
da_isthissomekind_buy_on.src = "img/da_isthissomekind_buy_on.gif";
da_isthissomekind_buy_off.src = "img/da_isthissomekind_buy_off.gif";
da_isthissomekind_next_on.src = "img/da_isthissomekind_next_on.gif";
da_isthissomekind_next_off.src = "img/da_isthissomekind_next_off.gif";
da_isthissomekind_prev_on.src = "img/da_isthissomekind_prev_on.gif";
da_isthissomekind_prev_off.src = "img/da_isthissomekind_prev_off.gif";
}

function swapImage(f,n) {
  f = "document."+f;
  f = eval(f);
  n = eval(n);
  f.src = n.src;
}



// SHOW HIDE LAYER

var current_layer;
current_layer=null;

function showHideLayer(t) {
  if(document.getElementById) {
    layer_object = document.getElementById(t).style;
  } else {
    if(document.all) {
      layer_object = eval('document.all.'+t+'.style');
    }
  }
  layer_object.visibility = "visible";
  if(current_layer && (current_layer !== layer_object)) {
    current_layer.visibility = "hidden";
  }
  current_layer = layer_object;
}