function CanHaveClass__CssFriendlyAdapters(element)
{
    return ((element != null) && (element.className != null));
}

function HasAnyClass__CssFriendlyAdapters(element)
{
    return (CanHaveClass__CssFriendlyAdapters(element) && (element.className.length > 0));
}

function HasClass__CssFriendlyAdapters(element, specificClass)
{
    return (HasAnyClass__CssFriendlyAdapters(element) && (element.className.indexOf(specificClass) > -1));
}

function AddClass__CssFriendlyAdapters(element, classToAdd)
{
    if (HasAnyClass__CssFriendlyAdapters(element))
    {
        if (!HasClass__CssFriendlyAdapters(element, classToAdd))
        {
            element.className = element.className + " " + classToAdd;
        }
    }
    else if (CanHaveClass__CssFriendlyAdapters(element))
    {
        element.className = classToAdd;
    }
}

function AddClassUpward__CssFriendlyAdapters(startElement, stopParentClass, classToAdd)
{
    var elementOrParent = startElement;
    while ((elementOrParent != null) && (!HasClass__CssFriendlyAdapters(elementOrParent, topmostClass)))
    {
        AddClass__CssFriendlyAdapters(elementOrParent, classToAdd);
        elementOrParent = elementOrParent.parentNode;
    }    
}

function SwapClass__CssFriendlyAdapters(element, oldClass, newClass)
{
    if (HasAnyClass__CssFriendlyAdapters(element))
    {
        element.className = element.className.replace(new RegExp(oldClass, "gi"), newClass);
    }
}

function SwapOrAddClass__CssFriendlyAdapters(element, oldClass, newClass)
{
    if (HasClass__CssFriendlyAdapters(element, oldClass))
    {
        SwapClass__CssFriendlyAdapters(element, oldClass, newClass);
    }
    else
    {
        AddClass__CssFriendlyAdapters(element, newClass);
    }
}

function RemoveClass__CssFriendlyAdapters(element, classToRemove)
{
    SwapClass__CssFriendlyAdapters(element, classToRemove, "");
}

function RemoveClassUpward__CssFriendlyAdapters(startElement, stopParentClass, classToRemove)
{
    var elementOrParent = startElement;
    while ((elementOrParent != null) && (!HasClass__CssFriendlyAdapters(elementOrParent, topmostClass)))
    {
        RemoveClass__CssFriendlyAdapters(elementOrParent, classToRemove);
        elementOrParent = elementOrParent.parentNode;
    }    
}

function IsEnterKey()
{
    var retVal = false;
    var keycode = 0;
    if ((typeof(window.event) != "undefined") && (window.event != null))
    {
        keycode = window.event.keyCode;
    }
    else if ((typeof(e) != "undefined") && (e != null))
    {
        keycode = e.which;
    }
    if (keycode == 13)
    {
        retVal = true;
    }
    return retVal;
}

function HideGreySection()
{
  var divParts = getElementByClassName('part');
  if (divParts)
   {  
      for (var i = 0; i < divParts.length; i++) {    
         var result = divParts[i].innerText.replace(/(^\s+|\s+$)/g,''); 
         if (result != '')
           {
             divParts[i].style.display = "block"; 
           }
			else
            {
			  var images = divParts[i].getElementsByTagName("img");
			  var objs = divParts[i].getElementsByTagName("object");
			  if ((images.length > 0) || (objs.lenght > 0))
			   {
                             divParts[i].style.display = "block"; 
		       }		
           }				
      }   
   } 
}

if (window.addEventListener) // Mozilla, Netscape, Firefox
{
    window.addEventListener('load',HideGreySection, false);
} 
else // IE
{ 
    window.attachEvent('onload',HideGreySection);
} 

function getElementByClassName(cls) {
  var elms = [];
  var classRegExp = new RegExp('\\b'+cls+'\\b');
  var elem = document.getElementsByTagName('*');
  for (var i = 0; i < elem.length; i++) {
   var classes = elem[i].className;
    if (classRegExp.test(classes)) 
      {
        elms.push(elem[i]);
      }
    }
     return elms;
}