var dirArray =location.pathname.split('/'); 
//dirArray.length -= 1;
lastFolder = dirArray[dirArray.length-2];
//alert(lastFolder);
fileName = dirArray[dirArray.length-1];
//alert(fileName);
fileArray = fileName.split('.');
fileName1 = fileArray[0];
//alert(fileName1);
//alert("lastFolder = " + lastFolder);
if (document.images[lastFolder]) {
	//alert(document.images[lastFolder].src);
	document.images[lastFolder].src="/images/nav/"+lastFolder+"-over.png";
}
if (fileName1 != 'index') {
	document.images[fileName1].src="/images/nav/"+fileName1+"-over.png";
}