var smallTransparentGif = "";
function fixupIEPNG(img, transparentGif) 
{
    smallTransparentGif = transparentGif;
    if (windowsInternetExplorer && (browserVersion < 7))
    {
        if (img)
        {
            var src = img.src;
            img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
            img.src = transparentGif;
            img.attachEvent("onpropertychange", imgPropertyChanged);
        }
    }
}

var windowsInternetExplorer = false;
var browserVersion = 0;
function detectBrowser()
{
    windowsInternetExplorer = false;
    var appVersion = navigator.appVersion;
    if ((appVersion.indexOf("MSIE") != -1) &&
        (appVersion.indexOf("Macintosh") == -1))
    {
        var temp = appVersion.split("MSIE");
        browserVersion = parseFloat(temp[1]);
        windowsInternetExplorer = true;
    }
}

var inImgPropertyChanged = false;
function imgPropertyChanged()
{
    if ((window.event.propertyName == "src") && (! inImgPropertyChanged))
    {
        inImgPropertyChanged = true;
        var el = window.event.srcElement;
        if (el.src != smallTransparentGif)
        {
            el.filters.item(0).src = el.src;
            el.src = smallTransparentGif;
        }
        inImgPropertyChanged = false;
    }
}

function getChildOfType(oParent, sNodeName, requestedIndex)
{
    var childrenOfType = oParent.getElementsByTagName(sNodeName);
    return (requestedIndex < childrenOfType.length) ?
           childrenOfType.item(requestedIndex) : null;
}

function getParaDescendants(oAncestor)
{
    var oParaDescendants = new Array();
    var oPotentialParagraphs = oAncestor.getElementsByTagName('DIV');
    for (var iIndex=0; iIndex<oPotentialParagraphs.length; iIndex++)
    {
        var oNode = oPotentialParagraphs.item(iIndex);
        if (oNode.className.lastIndexOf('paragraph') != -1)
        {
            oParaDescendants.push(oNode);
        }
    }
    return oParaDescendants;
}




    
    function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
	{
	   var arVersion = navigator.appVersion.split("MSIE")
	   var version = parseFloat(arVersion[1])
	   if ((version >= 5.5) && (document.body.filters)) 
	   {
	      for(var i=0; i<document.images.length; i++)
	      {
	         var img = document.images[i]
	         var imgName = img.src.toUpperCase()
	         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
	         {
	            fixupIEPNG(img, "images/Site_Redesign/transparent.gif");
	         }
	      }
	   }    
	}


function onPageLoad()
{
    detectBrowser();

    correctPNG();
    

    
    
    
    
    return true;
}