function divToggle(DivID) 
{
   if (DivID.style.display=='block') {
         DivID.style.display = 'none'; 
        }
   else {
         DivID.style.display = 'block';
   }
}

function DisplayPage(PageIdx) {
     var oPages = document.all.item('Page');

     if (oPages != null && oPages.length > 0) {
     for (i=0;i < oPages.length;i++) 
	{
	   oPages[i].style.display = 'none';
	}
     oPages[PageIdx].style.display='block';
    }
}

function ChangeCurrPage(Dir) {
     if (Dir=='U') {
         GalleryForm.CurrentPage.value = parseInt(GalleryForm.CurrentPage.value) + 1;
      }
     else {
         GalleryForm.CurrentPage.value -= 1;
      }
     GalleryForm.submit();
}

function ChangeNameAlpha(NewAlpha) {
     GalleryForm.CurrentPage.value=1;
     GalleryForm.NameAlpha.value=NewAlpha;
     GalleryForm.submit();
}