nav.js

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/**
 *
 * Copyright (c) 2007 www.btmaster.cn All rights reserved.
 * Powered by BTMaster.cn
 * QQ:709141305
 *
 */

var expanded = false;
var autosave = false;
var navprefs = new Array(menu_group_total);
for (var i = 0; i < menu_group_total; i++)
{
	navprefs[i] = 1;
}

var DOMtype = '';

if (document.getElementById)
{
	DOMtype = "std";
}
else if (document.all)
{
	DOMtype = "ie4";
}
else if (document.layers)
{
	DOMtype = "ns4";
}

var objects = new Array();

function fetch_object(idname, forcefetch)
{
	if (forcefetch || 'undefined' == typeof(objects[idname]))
	{
		switch (DOMtype)
		{
			case 'std':
				objects[idname] = document.getElementById(idname);
			break;
			case 'ie4':
				objects[idname] = document.all[idname];
			break;
			case 'ns4':
				objects[idname] = document.layers[idname];
			break;
		}
	}
	return objects[idname];
}

function nobub()
{
	window.event.cancelBubble = true;
}

function nav_goto(targeturl)
{
	parent.frames.main.location = targeturl;
}

function open_close_group(group, doOpen)
{
	var curdiv = fetch_object("group_" + group);
	var curbtn = fetch_object("button_" + group);
	if (doOpen)
	{
		curdiv.style.display = "";
		curbtn.src = "images/cp_collapse.gif";
		curbtn.title = "";
	}
	else
	{
		curdiv.style.display = "none";
		curbtn.src = "images/cp_expand.gif";
		curbtn.title = "";
	}
}

function toggle_group(group)
{
	var curdiv = fetch_object("group_" + group);
	if (curdiv.style.display == "none")
	{
		open_close_group(group, true);
	}
	else
	{
		open_close_group(group, false);
	}
}

function expand_all_groups(doOpen)
{
	for (var i = 0; i < menu_group_total; i++)
	{
		open_close_group(i, doOpen);
	}
}

function read_group_prefs()
{
	for (var i = 0; i < menu_group_total; i++)
	{
		open_close_group(i, navprefs[i]);
	}
}