function rollOver(img) {
	var imgpath = img.src.substring(0, img.src.lastIndexOf("/")+1);
	var imgname = img.src.substring(img.src.lastIndexOf("/")+1, img.src.length);
	var imgparts = imgname.split(".");
	if( imgparts[2]=="off" ) {
		imgparts[2] = "on";
	}
	else {
		imgparts[2] = "off";
	}
	var newimg = imgpath;
	for( var i=0; i<imgparts.length-1; i++ ) {
		newimg += imgparts[i]+".";
	}
	newimg += imgparts[imgparts.length-1];
	window.status = newimg;
	img.src = newimg;
} //rollOver

function rollOut(n) {
//	img = document.getElementById(n);
//	alert(img.src);
	rollOver(n);
}