// JavaScript Document
function PNGswitch()
{
oMenu = getElement("p7TMnav");
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
	}
}