var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
function getRef(id) {
if (isDOM) return document.getElementById(id);
if (isIE4) return document.all[id];
if (isNS4) return document.layers[id];
}
function getSty(id) {
return (isNS4 ? getRef(id) : getRef(id).style);
} 
// Hide timeout.
var popTimer = 0;
// Array showing highlighted menu items.
var litNow = new Array();
function popOver(menuNum, itemNum) {
clearTimeout(popTimer);
hideAllBut(menuNum);
litNow = getTree(menuNum, itemNum);
changeCol(litNow, true);
targetNum = menu[menuNum][itemNum].target;
if (targetNum > 0) {
thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);
thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);
with (menu[targetNum][0].ref) {
left = parseInt(thisX + menu[targetNum][0].x);
top = parseInt(thisY + menu[targetNum][0].y);
visibility = 'visible';
      }
   }
}
function popOut(menuNum, itemNum) {
if ((menuNum == 0) && !menu[menuNum][itemNum].target)
hideAllBut(0)
else
popTimer = setTimeout('hideAllBut(0)', 500);
}
function getTree(menuNum, itemNum) {

// Array index is the menu number. The contents are null (if that menu is not a parent)
// or the item number in that menu that is an ancestor (to light it up).
itemArray = new Array(menu.length);

while(1) {
itemArray[menuNum] = itemNum;
// If we've reached the top of the hierarchy, return.
if (menuNum == 0) return itemArray;
itemNum = menu[menuNum][0].parentItem;
menuNum = menu[menuNum][0].parentMenu;
   }
}

// Pass an array and a boolean to specify colour change, true = over colour.
function changeCol(changeArray, isOver) {
for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
if (changeArray[menuCount]) {
newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
// Change the colours of the div/layer background.
with (menu[menuCount][changeArray[menuCount]].ref) {
if (isNS4) bgColor = newCol;
else backgroundColor = newCol;
         }
      }
   }
}
function hideAllBut(menuNum) {
var keepMenus = getTree(menuNum, 1);
for (count = 0; count < menu.length; count++)
if (!keepMenus[count])
menu[count][0].ref.visibility = 'hidden';
changeCol(litNow, false);
}

// *** MENU CONSTRUCTION FUNCTIONS ***

function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
// True or false - a vertical menu?
this.isVert = isVert;
// The popout indicator used (if any) for this menu.
this.popInd = popInd
// Position and size settings.
this.x = x;
this.y = y;
this.width = width;
// Colours of menu and items.
this.overCol = overCol;
this.backCol = backCol;
// The stylesheet class used for item borders and the text within items.
this.borderClass = borderClass;
this.textClass = textClass;
// Parent menu and item numbers, indexed later.
this.parentMenu = null;
this.parentItem = null;
// Reference to the object's style properties (set later).
this.ref = null;
}

function Item(text, href, frame, length, spacing, target) {
this.text = text;
this.href = href;
this.frame = frame;
this.length = length;
this.spacing = spacing;
this.target = target;
// Reference to the object's style properties (set later).
this.ref = null;
}

function writeMenus() {
if (!isDOM && !isIE4 && !isNS4) return;

for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
// Variable for holding HTML for items and positions of next item.
var str = '', itemX = 0, itemY = 0;

// Remember, items start from 1 in the array (0 is menu object itself, above).
// Also use properties of each item nested in the other with() for construction.
for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
var itemID = 'menu' + currMenu + 'item' + currItem;

// The width and height of the menu item - dependent on orientation!
var w = (isVert ? width : length);
var h = (isVert ? length : width);

// Create a div or layer text string with appropriate styles/properties.
// Thanks to Paul Maden (www.paulmaden.com) for helping debug this in IE4, apparently
// the width must be a miniumum of 3 for it to work in that browser.
if (isDOM || isIE4) {
str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
if (backCol) str += 'background: ' + backCol + '; ';
str += '" ';
}
if (isNS4) {
str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
if (backCol) str += 'bgcolor="' + backCol + '" ';
}
if (borderClass) str += 'class="' + borderClass + '" ';

// Add mouseover handlers and finish div/layer.
str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';

// Add contents of item (default: table with link inside).
// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.
// If a target frame is specified, also add that to the <a> tag.

str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="left" height="' + (h - 7) + '">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
if (target > 0) {

// Set target's parents to this menu item.
menu[target][0].parentMenu = currMenu;
menu[target][0].parentItem = currItem;

// Add a popout indicator.
if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
}
str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');
if (isVert) itemY += length + spacing;
else itemX += length + spacing;
}
if (isDOM) {
var newDiv = document.createElement('div');
document.getElementsByTagName('body').item(0).appendChild(newDiv);
newDiv.innerHTML = str;
ref = newDiv.style;
ref.position = 'absolute';
ref.visibility = 'hidden';
}

// Insert a div tag to the end of the BODY with menu HTML in place for IE4.
if (isIE4) {
document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
ref = getSty('menu' + currMenu + 'div');
}

// In NS4, create a reference to a new layer and write the items to it.
if (isNS4) {
ref = new Layer(0);
ref.document.write(str);
ref.document.close();
}

for (currItem = 1; currItem < menu[currMenu].length; currItem++) {
itemName = 'menu' + currMenu + 'item' + currItem;
if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);
if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
   }
}
with(menu[0][0]) {
ref.left = x;
ref.top = y;
ref.visibility = 'visible';
   }
}

var menu = new Array();

var defOver = '#009966', defBack = '#0F6B3B';


var defLength = 22;


menu[0] = new Array();

menu[0][0] = new Menu(true, '', 0, 179, 17, '#669999', '#006666', '', 'itemText');

menu[0][1] = new Item('  <img src="images/nav_about.gif" width="169" height="25" border=0>', 'home.html', '', 25, 0, 1);
menu[0][2] = new Item('  <img src="images/nav_ser.gif" width="169" height="24" border=0>', 'service.html', '', 24, 0, 2);
menu[0][3] = new Item('  <img src="images/nav_cus.gif" width="169" height="38" border=0>', 'cus_tech.html', '', 38, 0, 3);
menu[0][4] = new Item('  <img src="images/nav_becom.gif" width="169" height="24" border=0>', 'customer.html', '', 24, 0, 4);
menu[0][5] = new Item('  <img src="images/nav_trdac.gif" width="169" height="38" border=0>', 'etas.html', '', 38, 0, 11);
menu[0][6] = new Item('  <img src="images/nav_partner.gif" width="169" height="24" border=0>', 'partner.html', '', 24, 0, 6);
menu[0][7] = new Item('  <img src="images/nav_news.gif" width="169" height="24" border=0>', 'news.html', '', 24, 0, 7);
menu[0][8] = new Item('  <img src="images/nav_gov.gif" width="169" height="38" border=0>', 'gov.html', '', 38, 0, 8);
menu[0][9] = new Item('  <img src="images/nav_rel.gif" width="169" height="38" border=0>', 'related.html', '', 38, 0, 9);
menu[0][10] = new Item('  <img src="images/nav_links.gif" width="169" height="24" border=0>', 'links.html', '', 24, 0, 10);
menu[0][11] = new Item('  <img src="images/nav_ser_term.gif" width="169" height="38" border=0>', 'http://vip.ge-ts.com.hk/en/images/stories/Forms/ge-ts_terms.pdf', '#', 38, 0, 13);
menu[0][12] = new Item('  <img src="images/nav_ben.gif" width="169" height="38" border=0>', 'promotion.html', '', 37, 0, 14);
menu[0][13] = new Item('  <img src="images/nav_prom.gif" width="169" height="25" border=0>', 'promotion.html', '', 26, 0, 15);
menu[0][14] = new Item('  <img src="images/nav_calculator.gif" width="169" height="24" border=0>', 'etascalculator_en.html', '', 24, 0, 8);



//menu[0][10] = new Item('  <img src="images/nav_trdac.gif" width="169" height="38" border=0>', 'etas.html', '', 24, 0, 11);
//menu[0][11] = new Item('  <img src="images/nav_ser.gif" width="169" height="24" border=0>', 'fee.html', '', 24, 0, 12);
//menu[0][11] = new Item('  <img src="images/nav_links.gif" width="169" height="24" border=0>', 'links.html', '', 24, 0, 10);



// About menu.
menu[1] = new Array();

menu[1][0] = new Menu(true, '>', 170, 0, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[1][1] = new Item('Our Company', 'home.html', '', defLength, 0, 0);
menu[1][2] = new Item('Our Competitive Edge', 'competitive.html', '', defLength, 0, 0);
// Non-zero target means this will trigger a popout -- menu[4] which is the 'Reopen' menu.
//menu[1][3] = new Item('Reopen', '#', '', defLength, 0, 4);
//menu[1][4] = new Item('Exit', '#', '', defLength, 0, 0);

// Service menu.
menu[2] = new Array();
menu[2][0] = new Menu(true, '>', 170, 0, 220, defOver, defBack, 'itemBorder', 'itemText');
menu[2][1] = new Item('Import/Export Declaration Service', 'service.html', '', defLength, 0, 0);
menu[2][2] = new Item('Dutiable Commodities Permit Service', 'permit.html', '', defLength, 0, 0);
menu[2][3] = new Item('Electronic Submission of Cargo Manifests', 'eman.html', '', 35, 0, 0);
menu[2][4] = new Item('Bill Paymnet - Port Security Charge', 'service_eman.html', '', defLength, 0, 0);
menu[2][5] = new Item('Supplier Reference Service', 'supp_ref_ser.html', '', defLength, 0, 0);
//menu[2][3] = new Item('Paste', '#', '', defLength, 0, 0);

// Customer menu
menu[3] = new Array();
menu[3][0] = new Menu(true, '>', 0, 22, 80, defOver, defBack, 'itemBorder', 'itemText');
//menu[3][1] = new Item('Contents', '#', '', defLength, 0, 0);
//menu[3][2] = new Item('Index', '#', '', defLength, 0, 0);
//menu[3][3] = new Item('About', '#', '', defLength, 0, 5);

// Become menu
menu[4] = new Array();
menu[4][0] = new Menu(true, '>', 170, 0, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[4][1] = new Item('Ge-TS Electronic<br>&nbsp;&nbsp;&nbsp;Service Schemes', 'customer.html', '', 40, 0, 5);
menu[4][2] = new Item('Paper-To-Electronic &nbsp;&nbsp;&nbsp;Conversion Service<br>&nbsp;&nbsp; Schemes', 'etas.html', '', defLength, 0, 12);
//menu[4][3] = new Item('Ge-TS Electronic<br>&nbsp;&nbsp;&nbsp;Dutiable Commodities Permit Service Charges', 'gets_dcp_en.html', '', defLength, 0, 0);
//menu[4][2] = new Item('Dutiable Commodities Permit Service', 'permit.html', '', defLength, 0, 0);
//menu[2][3] = new Item('Paste', '#', '', defLength, 0, 0);

// Becomeb menu
menu[5] = new Array();
menu[5][0] = new Menu(true, '>', 110, 10, 120, defOver, defBack, 'itemBorder', 'itemText');
menu[5][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);
menu[5][2] = new Item('Deluxe Pack', 'deluxe.html', '', defLength, 0, 0);
menu[5][3] = new Item('All-in-One Value Pack', 'valueall.html', '', 35, 0, 0);
menu[5][4] = new Item('Pick-and-Choose Pack', 'value.html', '', 35, 0, 0);
menu[5][5] = new Item('Special SMEasy Pack', 'special.html', '', defLength, 0, 0);
menu[5][6] = new Item('DC Dynamic Pack', 'dynamicpack.html', '', defLength, 0, 0);
menu[5][7] = new Item('DC Simplicity Pack', 'simplicity.html', '', defLength, 0, 0);
menu[5][8] = new Item('EMAN Simplicity Pack', 'eman_simplicity.html', '', 35, 0, 0);
menu[5][9] = new Item('Value Added Services', 'valueprice.html', '', defLength, 0, 0);

// Partner menu
menu[6] = new Array();
menu[6][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[6][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);

// News menu
menu[7] = new Array();
menu[7][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[6][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);

// Government menu
menu[8] = new Array();
menu[8][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[6][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);

// Related menu
menu[9] = new Array();
menu[9][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[6][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);

// Links menu
menu[10] = new Array();
menu[10][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[10][1] = new Item('Leftwards!<br>And up!', '#', '', 40, 0, 0);

// Etas menu
menu[11] = new Array();
//menu[11][0] = new Menu(true, '>', 170, 0, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[11][0] = new Menu(true, '>', 170, 0, 220, defOver, defBack, 'itemBorder', 'itemText');
menu[11][1] = new Item('Our Services', 'etas.html', '', defLength, 0, 0);
menu[11][2] = new Item('Pick-up Service', 'pick_up.html', '', defLength, 0, 0);
menu[11][3] = new Item('Counter Collection Service', 'counter_col.html', '', defLength, 0, 0);
//menu[11][4] = new Item('Convenience Store Self-help Service', 'seven.html', '', defLength, 0, 0);
menu[11][4] = new Item('Drop-in-Box Service', 'drop_in.html', '', defLength, 0, 0);
menu[11][5] = new Item('Service Locations', 'ser_location.html', '', defLength, 0, 0);
menu[11][6] = new Item('Services Charges', 'fee.html', '', defLength, 0, 0);
menu[11][7] = new Item('Ge-TS Forms', 'how_to.html', '', defLength, 0, 0);


//Paper-sub menu
menu[12] = new Array();
menu[12][0] = new Menu(true, '>', 110, 10, 120, defOver, defBack, 'itemBorder', 'itemText');
menu[12][1] = new Item('Pick-up Service', 'pick_up.html', '', defLength, 0, 0);
menu[12][2] = new Item('Counter Collection Service', 'counter_col.html', '', 40, 0, 0);
//menu[12][3] = new Item('Convenience Store Collection Service', 'seven.html', '', 40, 0, 0);
menu[12][3] = new Item('Drop-in-Box Service', 'drop_in.html', '', defLength, 0, 0);

// Service & terms menu
menu[13] = new Array();
menu[13][0] = new Menu(true, '>', 160, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
//menu[6][1] = new Item('Supreme Pack', 'supreme.html', '', defLength, 0, 0);

// E-Jetso
menu[14] = new Array();
menu[14][0] = new Menu(true, '>', 170, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
menu[14][1] = new Item('Bonus Enquiry', 'http://203.78.66.74/gets/en/member_info.php', '#', defLength, 0, 0);
//menu[14][2] = new Item('Jetso Newsletter', 'ejetso_news.html', '', defLength, 0, 0);
menu[14][2] = new Item('Jetso Newsletter', 'http://vip.ge-ts.com.hk/en/index.php?option=com_content&task=view&id=100&Itemid=134', '#', defLength, 0, 0);

//Trad Declaration Incentives change to promotion
//Ge-TS Promotion
menu[15] = new Array();
menu[15][0] = new Menu(true, '>', 170, 0, 120, defOver, defBack, 'itemBorder', 'itemText');
/*
menu[15][1] = new Item('Best Offer', 'bestoffer.html', '', defLength, 0, 0);
menu[15][2] = new Item('3366 Lucky Draw', '../promotion/GeTSMKT077051/index_eng.htm', '#', defLength, 0, 0);
*/
//menu[15][3] = new Item('Scratch card T & C', 'scratch_card.html', '', defLength, 0, 0);

// *** OPTIONAL CODE FROM HERE DOWN ***

// These two lines handle the window resize bug in NS4. See <body onResize="...">.
// I recommend you leave this here as otherwise when you resize NS4's width menus are hidden.

var popOldWidth = window.innerWidth;
nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');


// This is a quick snippet that captures all clicks on the document and hides the menus
// every time you click. Use if you want.

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = clickHandle;

function clickHandle(evt)
{
 if (isNS4) document.routeEvent(evt);
 hideAllBut(0);
}


// This is just the moving command for the example.

function moveRoot()
{
 with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 5);
}