gGalleryImage = 1;

//-----------------------------------------------------------
// 
// set_gallery_image
//
//-----------------------------------------------------------
function set_gallery_image(passForm, num)
{  
   var image_name, image_str;

   gGalleryImage = num;
   image_name = "image" + num;
   image_str = passForm.elements[image_name].value;

   var image_arr = image_str.split("::");

   //alert(image_arr[0]);

   document.images["large_image"].src = image_arr[0];
   //document.images["large_image"].src = "graphics/p_trans.gif";
   document.images["large_image"].width = image_arr[1];
   document.images["large_image"].height = image_arr[2];
   document.images["large_image"].alt = image_arr[3];
   document.images["large_image"].title = image_arr[3];
   document.getElementById("large_image_caption").innerHTML = image_arr[4];
   document.links["large_image_link"].href = image_arr[5];
   document.links["large_image_link"].target = image_arr[6];
   //return(false);
}

//-----------------------------------------------------------
// 
// next_gallery_image
//
//-----------------------------------------------------------
function next_gallery_image(passForm)
{
   image_count = passForm.elements["image_count"].value;

   num = (gGalleryImage == image_count) ? 1 : gGalleryImage + 1;

   set_gallery_image(passForm, num);
   return(false);
}

//-----------------------------------------------------------
// 
// prev_gallery_image
//
//-----------------------------------------------------------
function prev_gallery_image(passForm)
{
   image_count = passForm.elements["image_count"].value;

   num = (gGalleryImage == 1) ? image_count : gGalleryImage - 1;

   set_gallery_image(passForm, num);
   return(false);
}