// JavaScript Document
function PNGswitch()
{
aArray = Array("nav","branding");
for(m=0;m<aArray.length;m++)
	{
		oMenu = getElement(aArray[m]);
		oImg = oMenu.getElementsByTagName("IMG");
		for (k=0;k<oImg.length;k++)
			{
			sPath = oImg[k].src.substr(0,oImg[k].src.lastIndexOf("/")+1)
			sPNG =  sPath + oImg[k].src.substr(oImg[k].src.lastIndexOf("/")+1,(oImg[k].src.lastIndexOf(".") - oImg[k].src.lastIndexOf("/"))) + "png";
			var supported = /MSIE (5\.5)|[6789]/.test(navigator.userAgent) && navigator.platform == "Win32";
			if(document.all && supported)
				{
					oImg[k].src = sPath + "nav_spacer.gif";
					oImg[k].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + sPNG + "',sizingMethod='image')";
				} else {
					oImg[k].src = sPNG;
				}
			}
	
	}
}

function getElement(sElementID)
{
if (document.all)
	{
		var oReturn = document.all(sElementID)	
	} else {
		var oReturn = document.getElementById(sElementID)
	}
if (!oReturn)
	{
		return null
	} else {
		return oReturn
	}
}