<!--
function LoadGallery(pictureName,imageFile,from_cover)
{
  if (document.all)
  {
    document.getElementById(pictureName).style.filter="blendTrans(duration=2)";
    document.getElementById(pictureName).filters.blendTrans.Apply();
  }
  document.getElementById(pictureName).src = imageFile;
  if (!from_cover){
	document.getElementById('pages1').options[current_page].selected=true;
	document.getElementById('pages2').options[current_page].selected=true;
  } else {
	removeAllOptions(document.getElementById('pages1'));
	removeAllOptions(document.getElementById('pages2'));
	addOption_list(local_image_list[this_year].length);	
	document.getElementById('pages1').options[current_page].selected=true;
	document.getElementById('pages2').options[current_page].selected=true;
  } 
  if (document.all)
  {
    document.getElementById(pictureName).filters.blendTrans.Play();
  }
}

function addOption(selectbox,text,value)
{
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;
	selectbox.options.add(optn);
}

function addOption_list(list_size)
{
	for (var i=0; i<list_size; i++)
	{
	addOption(document.getElementById('pages1'), "年份 " + local_image_list[this_year][i].substr(0,4) + " 页数 " + local_image_list[this_year][i].substr(10,7), "products/" + local_image_list[this_year][i]);
	addOption(document.getElementById('pages2'), "年份 " + local_image_list[this_year][i].substr(0,4) + " 页数 " + local_image_list[this_year][i].substr(10,7), "products/" + local_image_list[this_year][i]);
	}
}

function removeAllOptions(selectbox)
{
	for (var i=selectbox.options.length-1; i>=0; i--)
		{
		selectbox.remove(i);
		}
}

function next_pic()
{
    if (current_page==local_image_list[this_year].length-1)
       {
           current_page = 0;
       }
    else
       {
           current_page++;
       }
	//document.getElementById('pages').options[current_page].selected=true;
	return local_image_list[this_year][current_page];
}

function previous_pic()
{
    if (current_page==0)
       {
           current_page = local_image_list[this_year].length-1;
       }
    else
       {
           current_page--;
       }
	//document.getElementById('pages').options[current_page].selected=true;
	return local_image_list[this_year][current_page];
}

function first_pic()
{
    current_page = 0;
	//document.getElementById('pages').options[current_page].selected=true;
	return local_image_list[this_year][current_page];
}

function last_pic()
{
    current_page = local_image_list[this_year].length-1;
	//document.getElementById('pages').options[current_page].selected=true;
	return local_image_list[this_year][current_page];
}

function goto_and_update(top)
{
	if (top){
    	var user_option = document.choose_page_top.pages1[document.choose_page_top.pages1.selectedIndex].value;
    	current_page = document.choose_page_top.pages1.selectedIndex;
		LoadGallery('products_catalogue',user_option,false);
	} else {
		var user_option = document.choose_page_bottom.pages2[document.choose_page_bottom.pages2.selectedIndex].value;
    	current_page = document.choose_page_bottom.pages2.selectedIndex;
		LoadGallery('products_catalogue',user_option,false);
	}
}

function chosen_year(my_chosen_year)
{
	this_year = my_chosen_year;
	current_page = 0;
	return local_image_list[this_year][current_page];
}
-->