final boolean isValidHost() {
	anInt40++;
	String string = getDocumentBase().getHost().toLowerCase();
	if (string.equals("jagex.com") || string.endsWith(".jagex.com"))
	    return true;
	if (string.equals("runescape.com")
	    || string.endsWith(".runescape.com"))
	    return true;
	if (string.endsWith("127.0.0.1"))
	    return true;
	for (/**/;
	     (string.length() > 0 && string.charAt(-1 + string.length()) >= '0'
	      && (string.charAt(-1 + string.length()) ^ 0xffffffff) >= -58);
	     string = string.substring(0, string.length() - 1)) {
	    /* empty */
	}
	if (string.endsWith("192.168.1."))
	    return true;
	method82(53, "invalidhost");
	return false;
    }