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;



// 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();



// Default colours passed to most menu constructors (just passed to functions, not

// a global variable - makes things easier to change later in bulk).

var defOver = '#FFFFFF', defBack = '#CCCCCC';



// Default 'length' of menu items - item height if menu is vertical, width if horizontal.

var defLength = 20;



// Menu 0 is the special, 'root' menu from which everything else arises.

menu[0] = new Array();



menu[0][0] = new Menu(false, '', 117, 82, 5, '#CCCCCC', '#999999', '', 'nav');



menu[0][1] = new Item('&nbsp;Interactive CD-ROMs','#','', 124, 2, 1);

menu[0][2] = new Item('&nbsp;About Us', '#', '', 62, 2, 6);



// Interactive CD-ROMs menu.

menu[1] = new Array();

menu[1][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 150, defOver, defBack, 'menuBorder', 'menu');

menu[1][1] = new Item('Product Information', 'productInfo.htm', '', defLength, 0, 0);

menu[1][2] = new Item('Features', 'features.htm', '', defLength, 0, 0);

menu[1][3] = new Item('Benefits', 'benefits.htm', '', defLength, 0, 0);

menu[1][4] = new Item('Order Form', 'order.htm', '', defLength, 0, 0);

//menu[1][5] = new Item('Client Feedback', 'feedBack.htm', '', defLength, 0, 0);



// Commercial Courses menu.

menu[2] = new Array();

menu[2][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 150, defOver, defBack, 'menuBorder', 'menu');

menu[2][1] = new Item('OH & S  at Sea', 'shipboardSafety.htm', '', defLength, 0, 0);

menu[2][2] = new Item('GP Hand', 'GPHand.htm', '', defLength, 0, 0);

menu[2][3] = new Item('Coxswain', 'coxswain.htm', '', defLength, 0, 0);

menu[2][4] = new Item('Master Class 5', 'masterClass5.htm', '', defLength, 0, 0);

//menu[2][5] = new Item('Client Feedback', 'feedBack.htm', '', defLength, 0, 0);

menu[2][5] = new Item('Student Information', 'studentInfo.htm', '', defLength, 0, 0);

menu[2][6] = new Item('Code of Practice', 'codeOfPractice.htm', '', defLength, 0, 0);

menu[2][7] = new Item('Online Enrolment', 'enrol.htm', '', defLength, 0, 0);

menu[2][8] = new Item('Course Dates', 'commCourseDates.htm', '', defLength, 0, 0);





// Sailing Courses menu

menu[3] = new Array();

menu[3][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 150, defOver, defBack, 'menuBorder', 'menu');

menu[3][1] = new Item('About ', 'sailCourse.htm', '', defLength, 0, 0);

menu[3][2] = new Item('A Y F Courses ', 'AYFCourse.htm', '', defLength, 0, 0);

menu[3][3] = new Item('Testimonials', 'testimonials.htm', '', defLength, 0, 0);

menu[3][4] = new Item('Crew Register', 'crewRegister.htm', '', defLength, 0, 0);

menu[3][5] = new Item('The Instructors', 'instructors.htm', '', defLength, 0, 0);

menu[3][6] = new Item('The Social Side', 'socialSide.htm', '', defLength, 0, 0);

menu[3][7] = new Item('The Boat', 'theBoat.htm', '', defLength, 0, 0);

menu[3][8] = new Item('Modular Courses', 'modCourses.htm', '', defLength, 0, 0);

menu[3][9] = new Item('Online Enrolment', 'enrol.htm', '', defLength, 0, 0);

menu[3][10] = new Item('Course Dates', 'courseDates.htm', '', defLength, 0, 0);



// Corporate Sailing

menu[4] = new Array();

menu[4][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 150, defOver, defBack, 'menuBorder', 'menu');

menu[4][1] = new Item('Corporate Entertainment', 'corpEnt.htm', '', defLength, 0, 0);

menu[4][2] = new Item('Team Building', 'teamBuilding.htm', '', defLength, 0, 0);





// Yacht Charter menu

menu[5] = new Array();


menu[5][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 155, defOver, defBack, 'menuBorder', 'menu');

menu[5][1] = new Item('aaa', '#', '', defLength, 0, 0);

menu[5][2] = new Item('bbb', '#', '', defLength, 0, 0);

menu[5][3] = new Item('ccc', '#', '', defLength, 0, 0);






// About Us menu

menu[6] = new Array();



menu[6][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 1, 18, 150, defOver, defBack, 'menuBorder', 'menu');

//menu[6][1] = new Item('About Us', 'aboutUs.htm', '', defLength, 0, 0);

//menu[6][2] = new Item('Curriculum Vitae', 'cv.htm', '', defLength, 0, 0);

menu[6][1] = new Item('How to contact us', 'contact.htm', '', defLength, 0, 0);

menu[6][2] = new Item('Links', 'links.htm', '', defLength, 0, 0);

menu[6][3] = new Item('What they said', 'feedBack.htm', '', defLength, 0, 0);


// Menu - popout (if needed)

menu[7] = new Array();



menu[7][0] = new Menu(true, '<img src="images/m_arrow.gif" alt="" border="0">', 151, 0, 100, defOver, defBack, 'menuBorder', 'menu');

menu[7][1] = new Item('option one', '#', '', defLength, 0, 0);

menu[7][2] = new Item('option two', '#', '', defLength, 0, 0);

menu[7][3] = new Item('option three', '#', '', defLength, 0, 0);





var popOldWidth = window.innerWidth;

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



if (isNS4) document.captureEvents(Event.CLICK);

document.onclick = clickHandle;



function clickHandle(evt)

{

 if (isNS4) document.routeEvent(evt);

 hideAllBut(0);

}



function moveRoot()

{

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

}