function checkForEmptyFields() {
	var oElemCont = document.getElementById('content');

	// Finds all div tags marked to hide if they are empty
	oElemHide = xGetElementsByClassName('hide_if_empty', oElemCont, 'div', hide_if_empty);
	// Finds all td tags marked to hide if they are empty
	oElemHide = xGetElementsByClassName('hide_if_empty', oElemCont, 'td', hide_if_empty);
	//Hide image containers
	oElemHide = xGetElementsByClassName('article_image_container', oElemCont, 'div', hide_if_img_empty);
	// Make sure footer gets pushed down as user types in wysiwyg fields
	if(oElemCont != null) {
		xGetElementsByClassName('ms-formfieldcontainer', oElemCont, 'div', processFieldContainer);
	}
}
function processFieldContainer(oElem) {
	var oElems = xGetElementsByTagName('*', oElem);
	var evts = ['paste', 'keyup'];
	for(var i = 0; i < oElems.length; i++) {
		for(var j = 0; j < evts.length; j++) {
			xAddEventListener(oElems[i], evts[j], positionFooter, false);
		}
	}
}
function positionFooter() {
	var c = document.getElementById('content_wrapper');
	var f = document.getElementById('footer_wrapper');
	if(c == null || f == null) return;
	
	var x = c.offsetLeft + 2;
	var y = c.offsetTop + c.offsetHeight;
	f.style.position = 'absolute';
	f.style.top = y;
	f.style.left = x;
}
function hide_if_img_empty(oElem)
{
	var cElem = oElem.firstChild;
	if(cElem.firstChild.childNodes.length<1)
	{
		oElem.style.display = 'none';
	};
}
function defaultSearchText() {
	var elemInput = document.getElementById('ctl00_PlaceHolderSearchArea_SearchBox_SD06736D6_InputKeywords');
	if(elemInput == null) return;
	
	elemInput.value = 'search site';
	elemInput.onclick = clearSearchText;
}

function clearSearchText(oEvent) {
	var oElem;
	if(oEvent)
		oElem = oEvent.target;
	else
		oElem = window.event.srcElement;
		
	if(oElem == null) return;
	
	if(oElem.value == 'search site')
		oElem.value = '';
}

function hide_if_empty(oElem) {
	if(oElem == null) return;
	var content = oElem.innerText.replace(/(\s|POA)/g, '');
	if(!content)
	  oElem.parentNode.style.display = 'none';
	  
}

function hide_authoringbar()
{
	var oElem = document.getElementById('authoring');
	if(oElem == null) return;

	if(location.href.indexOf("staging.komatsu.com.au") == -1 && location.href.indexOf("production.komatsu.com.au") == -1 ){
		oElem.style.display = 'none';
	}
}
/* Compiled from X 4.06 with XC 1.0 on 14Dec06 */
// xAddEventListener, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xAddEventListener(e,eT,eL,cap)
{
  if(!(e=xGetElementById(e))) return;
  eT=eT.toLowerCase();
  if (e==window && !e.opera && !document.all) { // simulate resize and scroll events for all except Opera and IE // this is not a good sniff but I want to remove the sims before long
    if(eT=='resize') { e.xPCW=xClientWidth(); e.xPCH=xClientHeight(); e.xREL=eL; xResizeEvent(); return; }
    if(eT=='scroll') { e.xPSL=xScrollLeft(); e.xPST=xScrollTop(); e.xSEL=eL; xScrollEvent(); return; }
  }
  if(e.addEventListener) e.addEventListener(eT,eL,cap);
  else if(e.attachEvent) e.attachEvent('on'+eT,eL);
  else e['on'+eT]=eL;
}
// called only from the above
function xResizeEvent()
{
  if (window.xREL) setTimeout('xResizeEvent()', 250);
  var w=window, cw=xClientWidth(), ch=xClientHeight();
  if (w.xPCW != cw || w.xPCH != ch) { w.xPCW = cw; w.xPCH = ch; if (w.xREL) w.xREL(); }
}
function xScrollEvent()
{
  if (window.xSEL) setTimeout('xScrollEvent()', 250);
  var w=window, sl=xScrollLeft(), st=xScrollTop();
  if (w.xPSL != sl || w.xPST != st) { w.xPSL = sl; w.xPST = st; if (w.xSEL) w.xSEL(); }
}
// xClientHeight, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientHeight()
{
  var v=0,d=document,w=window;
  if(d.compatMode == 'CSS1Compat' && !w.opera && d.documentElement && d.documentElement.clientHeight)
    {v=d.documentElement.clientHeight;}
  else if(d.body && d.body.clientHeight)
    {v=d.body.clientHeight;}
  else if(xDef(w.innerWidth,w.innerHeight,d.width)) {
    v=w.innerHeight;
    if(d.width>w.innerWidth) v-=16;
  }
  return v;
}
// xClientWidth, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientWidth()
{
  var v=0,d=document,w=window;
  if(d.compatMode == 'CSS1Compat' && !w.opera && d.documentElement && d.documentElement.clientWidth)
    {v=d.documentElement.clientWidth;}
  else if(d.body && d.body.clientWidth)
    {v=d.body.clientWidth;}
  else if(xDef(w.innerWidth,w.innerHeight,d.height)) {
    v=w.innerWidth;
    if(d.height>w.innerHeight) v-=16;
  }
  return v;
}
// xDef, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xDef()
{
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}
  return true;
}
// xGetElementById, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementById(e)
{
  if(typeof(e)=='string') {
    if(document.getElementById) e=document.getElementById(e);
    else if(document.all) e=document.all[e];
    else e=null;
  }
  return e;
}
// xGetElementsByClassName, Copyright 2002-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementsByClassName(c,p,t,f)
{
  var found = new Array();
  var re = new RegExp('\\b'+c+'\\b', 'i');
//  var list = p.getElementsByTagName(t);
  var list = xGetElementsByTagName(t, p); // See xml comments.
  for (var i = 0; i < list.length; ++i) {
    if (list[i].className && list[i].className.search(re) != -1) {
      found[found.length] = list[i];
      if (f) f(list[i]);
    }
  }
  return found;
}

// xGetElementsByTagName, Copyright 2002-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementsByTagName(t,p)
{
  var list = null;
  t = t || '*';
  p = p || document;
  if (p.getElementsByTagName) { // DOM1
    list = p.getElementsByTagName(t);
    if (t=='*' && (!list || !list.length)) list = p.all; // IE5 '*' bug
  }
  else { // IE4 object model
    if (t=='*') list = p.all;
    else if (p.all && p.all.tags) list = p.all.tags(t);
  }
  return list || new Array();
}

xLibrary={version:'4.06',license:'GNU LGPL',url:'http://cross-browser.com/'};
// xNum, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xNum()
{
  for(var i=0; i<arguments.length; ++i){if(isNaN(arguments[i]) || typeof(arguments[i])!='number') return false;}
  return true;
}
// xScrollLeft, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xScrollLeft(e, bWin)
{
  var offset=0;
  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    var w = window;
    if (bWin && e) w = e;
    if(w.document.documentElement && w.document.documentElement.scrollLeft) offset=w.document.documentElement.scrollLeft;
    else if(w.document.body && xDef(w.document.body.scrollLeft)) offset=w.document.body.scrollLeft;
  }
  else {
    e = xGetElementById(e);
    if (e && xNum(e.scrollLeft)) offset = e.scrollLeft;
  }
  return offset;
}
// xScrollTop, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xScrollTop(e, bWin)
{
  var offset=0;
  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    var w = window;
    if (bWin && e) w = e;
    if(w.document.documentElement && w.document.documentElement.scrollTop) offset=w.document.documentElement.scrollTop;
    else if(w.document.body && xDef(w.document.body.scrollTop)) offset=w.document.body.scrollTop;
  }
  else {
    e = xGetElementById(e);
    if (e && xNum(e.scrollTop)) offset = e.scrollTop;
  }
  return offset;
}

// xEvent, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xEvent(evt) // object prototype
{
  var e = evt || window.event;
  if(!e) return;
  if(e.type) this.type = e.type;
  if(e.target) this.target = e.target;
  else if(e.srcElement) this.target = e.srcElement;
  // Section B
  if (e.relatedTarget) this.relatedTarget = e.relatedTarget;
  else if (e.type == 'mouseover' && e.fromElement) this.relatedTarget = e.fromElement;
  else if (e.type == 'mouseout') this.relatedTarget = e.toElement;
  // End Section B
  if(xDef(e.pageX,e.pageY)) { this.pageX = e.pageX; this.pageY = e.pageY; }
  else if(xDef(e.clientX,e.clientY)) { this.pageX = e.clientX + xScrollLeft(); this.pageY = e.clientY + xScrollTop(); }
  // Section A
  if (xDef(e.offsetX,e.offsetY)) {
    this.offsetX = e.offsetX;
    this.offsetY = e.offsetY;
  }
  else if (xDef(e.layerX,e.layerY)) {
    this.offsetX = e.layerX;
    this.offsetY = e.layerY;
  }
  else {
    this.offsetX = this.pageX - xPageX(this.target);
    this.offsetY = this.pageY - xPageY(this.target);
  }
  // End Section A
  this.keyCode = e.keyCode || e.which || 0;
  this.shiftKey = e.shiftKey;
  this.ctrlKey = e.ctrlKey;
  this.altKey = e.altKey;
}