function getPathLevel() {
	var path_name = location.pathname;
	var path_level = 0;
	var prepend = "";
	for (var i = 0; i < path_name.length; i++) {
		if (path_name.charAt(i) == "/" || path_name.charAt(i) == "\\") {
			path_level++;
		}
	}
	path_level--;
	for (var i = 0; i < path_level; i++) {
		prepend += "../";
	}

	return prepend;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function preloadGlobalImages() {
	var image_prepend = getPathLevel();
	if (document.images) {
		image_g_01 = newImage(image_prepend + "images/menu_button_01-over.jpg");
		image_g_02 = newImage(image_prepend + "images/menu_button_02-over.jpg");
		image_g_03 = newImage(image_prepend + "images/menu_button_03-over.jpg");
		image_g_04 = newImage(image_prepend + "images/menu_button_04-over.jpg");
		image_g_05 = newImage(image_prepend + "images/menu_button_05-over.jpg");
		image_g_06 = newImage(image_prepend + "images/ntrnl_btn_main-hl.gif");
		image_g_07 = newImage(image_prepend + "images/ntrnl_btn_password-hl.gif");
	}
}

function changeImages(imageid, imagefile) {
	document[imageid].src = imagefile;
}

function getObject(id) {
	return document.getElementById(id);
}

function showPasswordBox() {
	if (getObject("internal_password").style.display == "none") {
		getObject("internal_password").style.display = "block";
		document.password_form.form_password.focus();
		//getObject("form_password").focus();
	} else {
		getObject("internal_password").style.display = "none";
	}
}

function internalPasswordBoxFocus() {
	document.password_form.form_password.focus();
}