var bw=0;
var offleft=0;
var isIE4 = (document.all && !document.getElementById? true : false);
var isIE5 = (document.all && document.getElementById? true : false);
var isDOM = ((document.getElementById && !document.all)? true : false); 
var isNS4 = (document.layers ? true : false);


if(isNS4){bw=window.innerWidth;offleft=11; var hshift=0;}
if(isIE4||isIE5){bw=document.body.offsetWidth-4; offleft=11; var hshift=0;}
if(isDOM){bw=window.innerWidth; offleft=9; var hshift=2;}


function getRef(id) {
 if (isDOM) return document.getElementById(id);
 if (isIE4||isIE5) 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)', 100); 
}

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() { //1
  if (!isDOM && !isIE4 && !isIE5 && !isNS4) return;
  for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) { //2
    // 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]) { //3
      var itemID = 'menu' + currMenu + 'item' + currItem; 
      var w = (isVert ? width : length);
      var h = (isVert ? length : width);
      if (isDOM || isIE4 || isIE5) { //4
	    if(currMenu==0){
          str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
		}
        else{ 
		  str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
        }
        if (backCol) str += 'background: ' + backCol + '; ';
        str += '" ';
      } //3
      if (isNS4) { //4
	  	if(currMenu==0)
         str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
        else
         str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
  
        if (backCol) str += 'bgcolor="' + backCol + '" ';
      } //3
	  
	  if (((currItem+1)==menu[currMenu].length)&& currMenu!=0) str += 'class="itemBorder2" ';
	  else if (borderClass) str += 'class="' + borderClass + '" ';
	  
       // Add mouseover handlers and finish div/layer.
      str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
	  if(currMenu==0)
 	      str += '<table width="'+w+'" border="0" cellspacing="'+  0  +'" cellpadding="' + 0  + '"><tr><td align="left" height="'+(h-7)+'">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">&nbsp;' : '>&nbsp;') + text + '&nbsp;</a></td>';	   
	  else
	    str += '<table width="'+w+'" border="0" cellspacing="'+ (isDOM ? 3 : 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) { //4
        // 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>';
      } //3
      str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');
      if (isVert) itemY += length + spacing;
      else itemX += length + spacing;
    }  //2
    if (isDOM) { //3
      var newDiv = document.createElement('div');
      //document.getElementsByTagName('body').item(0).appendChild(newDiv);
	  document.getElementById('tmp').appendChild(newDiv);
      newDiv.innerHTML = str;
      ref = newDiv.style;
      ref.position = 'absolute';
      ref.visibility = 'hidden';
    } //2
    // Insert a div tag to the end of the BODY with menu HTML in place for IE4.
    if (isIE4) { //3
      //document.all['tmp']
	  document.body.insertAdjacentHTML('BeforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
	  ref = getSty('menu' + currMenu + 'div');
    } //2
	if (isIE5) { //3
      //document.all['tmp']
	  document.all['tmp'].insertAdjacentHTML('AfterEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
	  ref = getSty('menu' + currMenu + 'div');
    } //2
    // In NS4, create a reference to a new layer and write the items to it.
    if (isNS4) { //3
      ref = new Layer(0);
      ref.document.write(str);
      ref.document.close();
    } //2
    for (currItem = 1; currItem < menu[currMenu].length; currItem++) { //3
      itemName = 'menu' + currMenu + 'item' + currItem;
      if (isDOM || isIE4 || isIE5) menu[currMenu][currItem].ref = getSty(itemName);
      if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
    } //2
  
  } //1
  with(menu[0][0]) { //2
    ref.left = x;
    ref.top = y;
    ref.visibility = 'visible';
  } //1
} //0

var menu = new Array();

var defOver = '#000000', defBack = '#5282DD';


var defLength = 22;

if(isIE4 || isNS4 || isIE5) var itemborder='itemBorder';
else var itemborder='itemBorder2';

menu[0] = new Array();

if(isDOM){var menux=104; var menuy=14; vshift=16;var itemMenu="itemMenuN6";}
else if(isIE4 || isIE5){var menux=104; var menuy=10; var vshift=16;var itemMenu="itemMenuIE4";}
else if(isNS4){var menux=104; var menuy=10; var vshift=16;var itemMenu="itemMenuN4";}

menu[0][0] = new Menu(false, '', offleft, menux, menuy, defOver,  defBack,'',itemMenu);

  menu[0][1] = new Item('About B.A.T.', '#', '', 100+hshift, 1, 1);
//menu[0][2] = new Item('Classes', '#', '',114+hshift, 1, 2);
  menu[0][2] = new Item('Career Opportuniities', '#', '', 156+hshift, 1, 2);
  menu[0][3] = new Item('Financing', '#', '',119+hshift, 1, 3);
//menu[0][3] = new Item('Leasing', '#', '', 58+hshift, 1, 3); 

//menu[0][4] = new Item('Executive Jet Program', '#', '', 149+hshift, 1, 4);
  menu[0][4] = new Item('C.A.T.S.', '#', '', 136+hshift, 1, 4);
//menu[0][5] = new Item('Careers', '#', '', 58+hshift, 1, 5);

  menu[0][5] = new Item('Contact Us', '#', '', 77+hshift, 1, 5);
//menu[0][6] = new Item('Contact', '#', '', 58+hshift, 1, 6);
//menu[0][7] = new Item('Contact', '#', '', 58+hshift, 1, 7);

menu[1] = new Array();

menu[1][0] = new Menu(true, '>',0, vshift, 159, defOver, defBack, itemborder, 'itemText');
menu[1][1] = new Item('Home', '/main.php', '', defLength, 0, 0);
menu[1][2] = new Item('News & Events', 'news.htm', '', defLength, 0, 0);
menu[1][3] = new Item('History', 'history.htm', '', defLength, 0, 0);
menu[1][4] = new Item('Partners', 'partners.htm', '', defLength, 0, 0);
menu[1][5] = new Item('Photo Gallery', 'pictures.htm', '', defLength, 0, 0);
menu[1][6] = new Item('Graduates', 'grads.htm', '', defLength, 0, 0);

menu[2] = new Array();
menu[2][0] = new Menu(true, '',0, vshift, 200, defOver, defBack, itemborder, 'itemText');
menu[2][1] = new Item('Course Description.', 'course.htm', '', defLength, 0, 0);
menu[2][2] = new Item('Classes', 'classes.htm', '', defLength, 0, 0);
//menu[2][3] = new Item('Inventory', '/sales/inventory.asp', '', defLength, 0, 0);
//menu[2][4] = new Item('Client List', '/sales/clientlist.asp', '', defLength, 0, 0);
//menu[2][4] = new Item('Career Opportunities', '/sales/careers.asp', '', defLength, 0, 0);

menu[3] = new Array();
menu[3][0] = new Menu(true, '', 0, vshift,190,  defOver, defBack, itemborder, 'itemText');
menu[3][1] = new Item('Financing/Scholarships', 'money.htm', '', defLength, 0, 0);
//menu[3][2] = new Item('Arrangement Services', '/aircraft/arrangement.asp', '', defLength, 0, 0);
//menu[3][3] = new Item('ComJet Aviation Leasing', '/aircraft/leasing.asp', '', defLength, 0, 0);
//menu[3][4] = new Item('Lease and Structure Finance', '/aircraft/structure.asp', '', defLength, 0, 0);

menu[4] = new Array();
menu[4][0] = new Menu(true, '', 0, vshift, 130, defOver, defBack, itemborder, 'itemText');
menu[4][1] = new Item('C.A.T.S. Testing', 'cats.htm', '', defLength, 0, 0);
//menu[4][2] = new Item('Partners', 'partners.htm', '', defLength, 0, 0);

menu[5] = new Array();
menu[5][0] = new Menu(true, '', 0, vshift, 155, defOver, defBack, itemborder, 'itemText');
menu[5][1] = new Item('Contact Information', 'contact.htm', '', defLength, 0, 0);
menu[5][2] = new Item('Moses Daly', 'mailto:Mdaly@bsdvt.org', '', defLength, 0, 0);
menu[5][3] = new Item('Rick Syvester', 'mailto:rsylvest@bsdvt.org', '', defLength, 0, 0);
menu[5][4] = new Item('Bill Morelli', 'mailto:wmorelli@bsdvt.org', '', defLength, 0, 0);
menu[5][5] = new Item('Information Request', 'http://www.kevaco.com/BURLINGTONAVIATIONTECH/regform.htm', '', defLength, 0, 0);
//menu[5][5] = new Item('Customer Registration', '/contact/registration.asp', '', defLength, 0, 0);

//menu[6] = new Array();
//menu[6][0] = new Menu(true, '', 0, vshift, 0, defOver, defBack, itemborder, 'itemText');

//menu[6] = new Array();
//menu[6][0] = new Menu(true, '', 155, vshift, 120, defOver, defBack, itemborder, 'itemText');
//menu[6][1] = new Item('Company History', '#', '', defLength, 0, 0);
//menu[6][2] = new Item('Employee Bios', '#', '', defLength, 0, 0);

//menu[7] = new Array();
//menu[7][0] = new Menu(true, '', 155, vshift, 120, defOver, defBack, itemborder, 'itemText');
//menu[7][1] = new Item('SNA Page', '#', '', defLength, 0, 0);
//menu[7][2] = new Item('Customer List', '#', '', defLength, 0, 0);


var popOldWidth = window.innerWidth;
nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');
ieResizeHandler = new Function('if (bw != document.body.offsetWidth) 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);
//}