var editor;
var Editor_SavedText = '';
function EdBar_EditArticle(){
	if ( editor ) return;
	var ContetDiv = document.getElementById( 'editorcontents' )
	var EdBar_Create = document.getElementById('EdBar_Create');
	var EdBar_Update = document.getElementById('EdBar_Update');

	var html = ContetDiv.innerHTML;
	//Editor_SavedText  = html;
	// Create a new editor inside the <div id="editor">
	editor = CKEDITOR.appendTo( 'editor' );
	editor.setData( 'loading...' );

	//hide the edit view window.
	ContetDiv.style.display = 'none';
	EdBar_Create.style.display = 'none';
	EdBar_Update.style.display = '';
	window.setTimeout('EdBar_LoadContent()',1000);
}

function EdBar_LoadContent() {
	var ArticleCode = document.getElementById('EditorArticleCode').innerHTML;
	var URL = 'http://www.elimmissions.co.uk/LibraryFiles/getContent.asp?ArticleCode=' +ArticleCode + '&r=' + Math.random();;
  var req = new XMLHttpRequest();
  req.open('GET', URL, true);
  req.onreadystatechange = function(){
    if (req.readyState == 4) {
      var Text = req.responseText;
      editor.setData(req.responseText);
    }
  } //req.onreadystatechange
  req.send('');
}

function EdBar_ViewContent() {
	var ArticleCode = document.getElementById('EditorArticleCode').innerHTML;
	var URL = 'http://www.elimmissions.co.uk/LibraryFiles/viewContent.asp?ArticleCode=' +ArticleCode + '&r=' + Math.random();
  var req = new XMLHttpRequest();
  req.open('GET', URL, true);
  req.onreadystatechange = function(){
    if (req.readyState == 4) {
      var Text = req.responseText;
      document.getElementById('editorcontents').innerHTML = req.responseText;
    }
  } //req.onreadystatechange
  req.send('');
}

function EdBar_UpdateContent(IsPreview) {
	var ArticleCode = document.getElementById('EditorArticleCode').innerHTML;
	var URL = 'http://www.elimmissions.co.uk/LibraryFiles/updateContent.asp?ArticleCode=' +ArticleCode;
  var FormQuery = 'ArticleCode=' + ArticleCode + '&' +
  'Content=' + escape(editor.getData());

  var req = new XMLHttpRequest();
  req.open('POST', URL, true);

  req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  req.setRequestHeader("Content-length", FormQuery.length);
  req.setRequestHeader("Connection", "close");

  req.onreadystatechange = function(){
    if (req.readyState == 4) {
      var Text = req.responseText;
      if(Text == 'OK') {
        if(IsPreview) {
          var ContetDiv = document.getElementById( 'editorcontents' );
	        ContetDiv.innerHTML = 'loading...';
		      EdBar_ViewContent();
		      ContetDiv.style.display = '';
		    }
      } else {
        alert(Text);
      }
    }
  } //req.onreadystatechange
  req.send(FormQuery);
}

function EdBar_UpdateArticle(ActionMode) {
	if (!editor ) return;
	var EditorArea = document.getElementById('editor');
	var ContetDiv = document.getElementById( 'editorcontents' )
	var EdBar_Create = document.getElementById('EdBar_Create');
	var EdBar_Update = document.getElementById('EdBar_Update');
 	var IsPreview = ActionMode.indexOf('Preview') >= 0;
 	var IsUpdate = ActionMode.indexOf('Update') >= 0;
	var IsExit  = ActionMode.indexOf('Exit') >= 0;

 	if(IsUpdate) {
 	  EdBar_UpdateContent(IsPreview);
 	  IsPreview = false;
 	}

	if(IsPreview) {
	  ContetDiv.innerHTML = 'loading...';
		EdBar_ViewContent();
		ContetDiv.style.display = '';
	}

	if (IsExit) {
	  ContetDiv.style.display = '';
		Editor_SavedText = '';
		//EditorArea.innerHTML = '';
		//EditorArea.innerText = '';
	 	EdBar_Create.style.display = '';
		EdBar_Update.style.display = 'none';
		// Destroy the editor.
		editor.destroy();
		editor = null;
	}
}