// Web site scripts

function GetBookmark (loc)
  {
  var l = loc.length
  var p = loc.indexOf ("#")
  if (p == -1)
    return ""
  else
    return loc.slice (p+1, l)
  }
  
var AOC = 'Waitakere Orchid Club'

function SetTitle (Parent, Doc, Title)
  {
  if (Doc.all.title)
    {
    if (Title == null)
      {
      Doc.all.title.innerHTML = ''
      Parent.title = AOC
      }
    else
      {
      Doc.all.title.innerHTML = '- ' + Title
      Parent.title = AOC + ' (' + Title + ')'
      }
    }
  }

function SetBannerTitle (Title)
  {
  var parent_document = window.parent.document
  var banner_document = parent_document.frames.banner.document
  var t = banner_document.all.title
  
  SetTitle (parent_document, banner_document, Title)
  }

function LoadPicture()
  {
  var url = GetBookmark (document.location.toString())
  document.all.picture.src = url
  SetBannerTitle()
  }
  
function FindTag (name, tag)
  {
  var tagarray
  tagarray = document.all.tags (tag)

  var f
  var temp
  for (f = 0; f < tagarray.length; f++)
    {
    temp = tagarray(f)
    if (temp.name == name)
      return temp
    }

  return null
  }

function togglePicture (name)
  {
  var item

  // Show / hide children
  item = FindTag (name + '-div', 'div')
  if (item)
    item = item.style
  if (item)
    {
    if (item.display == 'none')
      item.display = 'block'
    else
      item.display = 'none'
    }
  }