function showNavHints(sid)
{
//alert(document.getElementById("nav_hints"));

	var hint_layer = document.getElementById("nav_hints");
	hint_layer.style.display="block";
//	hint_layer.style.innerHTML ='adfadsf';
	//by leung disable the layer content
	sid = -1;
	if(sid==0)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>我的戶口資料內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 個人資料</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 繳款資料</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- now.com.hk</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- NETCash</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 預約上門服務</td></tr>'+
									'</table>';
	}
	else if(sid==1)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>我的電子賬單內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 賬單摘要</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- NETCash</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 賬單查詢</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 繳款方法</td></tr>'+
									'</table>';
	}
	else if(sid==2)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>我的服務計劃內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 服務摘要</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 終止服務</td></tr>'+
									'</table>';
	}
	else if(sid==3)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>我的使用狀況內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 使用量</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 儲存量</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 空中電郵使用量</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 國際網絡漫遊服務</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 流動寬頻服務</td></tr>'+
									'</table>';
	}
	else if(sid==4)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>技術支援內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 寬頻服務</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 56K撥號上網服務</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 電郵服務</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 軟件下載</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 疑難解答</td></tr>'+
									'</table>';
	}
	else if(sid==5)
	{
								hint_layer.innerHTML = 
									'<table class="sub_menu" bgcolor="FFFFFF" STYLE="filter: Alpha(Opacity=80);">'+
									'<tr><td height="1" bgcolor="FFFFFF"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>產品及服務內容：</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 客戶尊享優惠</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 服務計劃</td></tr>'+
									'<tr><td height="1" bgcolor="FF6600"></td><td width="1"><img src="images%5Cmenu_icons%5Cempty.gif" width="1" height="1"></td><td>- 增值服務</td></tr>'+
									'</table>';
	}
	
}
function hideNavHints()
{
	var hint_layer = document.getElementById("nav_hints");
	hint_layer.style.display="none";
}

if(cs_internal==false){
	new tree (TREE_ITEMS, tree_tpl);
	//document.writeln('<img src="/images/navigation/navigation_normal.gif" align="absbottom"><a href="/relocation/relocation_c.jsp" class="menu">搬遷/上門服務</a><br>');
	//document.writeln('<img src="/images/navigation/navigation_normal.gif" align="absbottom"><a href="/contactus/form_c.jsp" class="menu">聯絡我們</a>');
/*
	if(level_1=="5"){
		document.write('<img src="/images/navigation/empty.gif" height="0" width="10" border="0"><img src="/images/navigation/navigation_normal.gif" align="bottom">'+
		'<a href="'+site_secure_domain+'/relocation/relocation_c.jsp"><img src="/images/navigation/btn_relocation_02.gif" align="bottom" border="0"></a>'+
		'<img src="/images/navigation/empty.gif" align="bottom" border="0" width="10">'+
		'<img src="/images/navigation/navigation_aarow_02.gif" align="bottom" border="0"><br>');
	}
	else{
		relocation_nav_string = '<a href="'+site_secure_domain+'/relocation/relocation_c.jsp" onmouseout="MM_swapImgRestore()" onmouseover="';
		relocation_nav_string = relocation_nav_string+ "MM_swapImage('btn_relocation','','/images/navigation/btn_relocation_02.gif',1)";
		relocation_nav_string = relocation_nav_string+ '"><img name="btn_relocation" border="0" src="/images/navigation/btn_relocation.gif" align="bottom"></a><br>';
		document.writeln('<img src="/images/navigation/empty.gif" height="0" width="10" border="0"><img src="/images/navigation/navigation_normal.gif">'+relocation_nav_string);
	}
	
	if(level_1=="6"){
		document.write('<img src="/images/navigation/empty.gif" height="0" width="10" border="0"><img src="/images/navigation/navigation_normal.gif" align="bottom">'+
		'<a href="'+site_normal_domain+'/contactus/form_c.jsp"><img src="/images/navigation/btn_contact_02.gif" align="bottom" border="0"></a>'+
		'<img src="/images/navigation/empty.gif" align="bottom" border="0" width="10">'+
		'<img src="/images/navigation/navigation_aarow_02.gif" align="bottom" border="0"><br>');
	}
	else{
		contactus_nav_string = '<a href="'+site_normal_domain+'/contactus/form_c.jsp" onmouseout="MM_swapImgRestore()" onmouseover="';
		contactus_nav_string = contactus_nav_string+ "MM_swapImage('btn_contactus','','/images/navigation/btn_contact_02.gif',1)";
		contactus_nav_string = contactus_nav_string+ '"><img name="btn_contactus" border="0" src="/images/navigation/btn_contact.gif" align="bottom"></a><br>';
		document.writeln('<img src="/images/navigation/empty.gif" height="0" width="10" border="0"><img src="/images/navigation/navigation_normal.gif">'+contactus_nav_string);
	}
*/
}

function restoreNAV()
{
	var restoreTime = 0;
	if(treeNode[firstNav]!=null)
		timeout1 = window.setTimeout("trees[0].openOnly(treeNode[firstNav].n_id)", restoreTime);
	if(treeNode[secondNav]!=null)
		timeout2 = window.setTimeout("trees[0].openOnly(treeNode[secondNav].n_id)", restoreTime);
	if(treeNode[thirdNav]!=null)
		timeout3 = window.setTimeout("trees[0].openOnly(treeNode[thirdNav].n_id)", restoreTime);
	timeout4 = window.setTimeout("hideNavHints()", restoreTime);
}
		
function keepAlive()
{
	if(timeout1) window.clearTimeout(timeout1);
	if(timeout2) window.clearTimeout(timeout2);
	if(timeout3) window.clearTimeout(timeout3);
	if(timeout4) window.clearTimeout(timeout4);
}
if(cs_internal==false){
	if(treeNode[firstNav]!=null)
		trees[0].toggle(treeNode[firstNav].n_id);
	if(treeNode[secondNav]!=null)
		trees[0].toggle(treeNode[secondNav].n_id);
	if(treeNode[thirdNav]!=null)
		trees[0].toggle(treeNode[thirdNav].n_id);
}