//*****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;
	});
}
//*****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('52px');
  }
}
//*****Extend the footer to the bottom of the page**************************************************//
function extendSidebar() {
  var mainHeight = $('#main').height();
  var sidebarNavHeight = $('ul#sidebarNav').height();
  var difference = mainHeight - sidebarNavHeight;
  $('p#sidebarBottom').height(difference);
}

//*****Load all functions**************************************************//
$(document).ready(function(){
  replaceAlign();
  replaceTarget();
  strictNewWindow();
  extendFooter();
  extendSidebar();
});