//*****Replace align attribute with class**************************************************//
function replaceAlign() {
  if (!document.getElementsByTagName('img')) return false;
  $('img[align="left"]').addClass('left').removeAttr('align');
  $('img[align="right"]').addClass('right').removeAttr('align');
  $('img[align="middle"]').addClass('middle').removeAttr('align');
}
//*****Replace target attribute with class**************************************************//
function replaceTarget() {
  if (!document.getElementsByTagName('a')) return false;
  $('a[target]').addClass('newwindow').removeAttr('target');
}
//*****The following function make it possible to have web standard popups**************************************************//
function strictNewWindow() {
  if (!document.getElementsByTagName('a')) return false;
  $('a.newwindow').click(function() {
    window.open($(this).attr('href'));
    return false;
  });
}
//*****Add swfobject flash call**************************************************//
function initializeFlash() {
  if (!document.getElementById('flash-content')) return false;
  var flashvars = {};
  var params = {wmode: 'transparent'};
  var attributes = {};
  attributes.id = "flash";
  swfobject.embedSWF("swf/flash-content.swf", "flash-content", "500", "100", "8.0.0", "swf/expressInstall.swf", flashvars, params, attributes);
}
//*****Clear search text out search box on focus**************************************************//
function clearSearchBox() {
  if (document.getElementById('txtSearch')) {;
    $('#txtSearch').focus(function() {
      if ($(this).val() == 'SEARCH') {
        $(this).val('');
      }
    });
  }
  if (document.getElementById('search')) {;
    $('#search').focus(function() {
      if ($(this).val() == 'Search the Encyclopedia...') {
        $(this).val('');
      }
    });
  }
}
//*****Extend the footer to the bottom of the page**************************************************//
function extendFooter() {
  var footerHeight = $('#footer').height();
  var pageHeight = $(document.body).height();
  var windowHeight = $(document).height();
  var difference = windowHeight - pageHeight;
  if (pageHeight < windowHeight) {
    $('#footer').height(footerHeight + difference);
  } else {
    $('#footer').height('auto');
  }
}
//*****Load all functions**************************************************//
$(document).ready(function(){
  replaceAlign();
  replaceTarget();
  strictNewWindow();
  initializeFlash();
  clearSearchBox();
  extendFooter();
});
//$(window).resize(function(){
//  extendFooter();
//});