function hiImg(img) { }
function loImg(img) { }
function hiMeta(id) { }
function loMeta(id) { }
var _safe = false;
function BrowserCan() {
	if (parseInt(navigator.appVersion) >= 4) {
		if (!document.layers)	return true;
	}
}
function max(a,b) {
	return (a >= b) ? a : b;
}
function basename(s) {
	var y = s.lastIndexOf(".");
	if (y < 0) {
		y = s.length;
	}
	return s.substring(max(s.indexOf(":"), s.lastIndexOf("/"))+1, y);
}
function baseurl(s) {
	return s.substring(0, max(s.indexOf(":"), s.lastIndexOf("/"))+1);
}
function extn(s) {
	var x = s.lastIndexOf(".");
	if (x <= 0) {
		x = s.length;
	}
	return s.substring(x, s.length);
}
function makeImg(base, name, ext, w, h) {
	if (BrowserCan()) {
		eval(name + " = new Image(" + w + ", " + h + ")");
		eval(name + ".src = \"" + base + name + ext + "\"");
	}
}
function makeBtn(it) {
	if (BrowserCan()) {
		var base = baseurl(it.src);
		var ext = extn(it.src);
		var name = basename(it.src);
		makeImg(base, name, ext, it.width, it.height);
		name = name.substring(0, name.indexOf("_lo")) + "_hi";
		makeImg(base, name, ext, it.width, it.height);
	}
}
function BuildImgs() {
	if (BrowserCan()) {
		for (var i=0; i<document.images.length; i++) {
			if (document.images[i].src.indexOf("_lo.") >= 0) {
				makeBtn(document.images[i]);
			}
		}
		_safe = true;
	}
}
if (BrowserCan()) {
	eval("function hiImg(img,dd) { if (_safe) {if(dd) {document.images[img].src = dd;}else{ document.images[img].src = eval(img + \"_hi.src\"); }} }");
	eval("function loImg(img,dd) { if (_safe) { if(dd) {document.images[img].src = dd;}else{document.images[img].src = eval(img + \"_lo.src\"); }} }");
	eval("function hiMeta(id) { document.getElementById(id).parentNode.firstChild.className='active'; }");
	eval("function loMeta(id) { document.getElementById(id).parentNode.firstChild.className=''; }");
} else {
}