function galleryChange(category,image) 
{
  mainImage = "themes/eagledale/gallery_thumbs/" + category + "_main_" + image;
  fullImage = "themes/eagledale/categories/" + category + "/" + image;

  document.getElementById("galleryMain").src = mainImage;
  document.getElementById("galleryMainLink").href = fullImage;
}


function changePage(myForm){
  category = myForm.options[myForm.selectedIndex].value;
  window.location.href="?c=" + category;
}