function swap_truespace_image() {
  Effect.Fade('truespace_image_'+current_truespace_image,{duration:0.7});
  if(current_truespace_image==total_truespace_images) { 
    current_truespace_image=1; 
  } else {
    current_truespace_image++;
  }
  Effect.Appear('truespace_image_'+current_truespace_image,{duration:0.7}); 
}

function swap_truespace_link() {
  $('truespace_link_'+current_truespace_link).hide();
  if(current_truespace_link==total_truespace_links) { 
    current_truespace_link=1; 
  } else {
    current_truespace_link++;
  }
  $('truespace_link_'+current_truespace_link).show(); 
}

function swap_layout_image() {
  Effect.Fade('layout_image_'+current_layout_image,{duration:0.7});
  if(current_layout_image==total_layout_images) { 
    current_layout_image=1; 
  } else {
    current_layout_image++;
  }
  Effect.Appear('layout_image_'+current_layout_image,{duration:0.7}); 
}

function swap_layout_link() {
  $('layout_link_'+current_layout_link).hide();
  if(current_layout_link==total_layout_links) { 
    current_layout_link=1; 
  } else {
    current_layout_link++;
  }
  $('layout_link_'+current_layout_link).show(); 
}

function swap_elevation_image() {
  Effect.Fade('elevation_image_'+current_elevation_image,{duration:0.7});
  if(current_elevation_image==total_elevation_images) { 
    current_elevation_image=1; 
  } else {
    current_elevation_image++;
  }
  Effect.Appear('elevation_image_'+current_elevation_image,{duration:0.7}); 
}

function swap_elevation_link() {
  $('elevation_link_'+current_elevation_link).hide();
  if(current_elevation_link==total_elevation_links) { 
    current_elevation_link=1; 
  } else {
    current_elevation_link++;
  }
  $('elevation_link_'+current_elevation_link).show(); 
}

function swap_community_image(image_to_display) {
  if(image_to_display==current_community_image) return false;
  Effect.Fade('community_image_'+current_community_image,{duration:0.7});
  Effect.Appear('community_image_'+image_to_display,{duration:0.7}); 
  current_community_image = image_to_display;
}