/*
  $Revision: 1.3 $
  $Date: 2006/11/24 11:09:02 $

  $Log: navbar.js,v $
  Revision 1.3  2006/11/24 11:09:02  darek
  Added z-index to menu item divs.
  Swaped positions of Craftmanship and OurProjects menu items.

  Revision 1.2  2006/11/24 10:26:32  darek
  Added CVS revision date and log tags.

*/

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);
}

var popTimer = 0;
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) {
  itemArray = new Array(menu.length);
  while(1) {
    itemArray[menuNum] = itemNum;
    if (menuNum == 0) return itemArray;
    itemNum = menu[menuNum][0].parentItem;
    menuNum = menu[menuNum][0].parentMenu;
  }
}

function changeCol(changeArray, isOver) {
  for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
    if (changeArray[menuCount]) {
      newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
      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);
}

function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
  this.isVert = isVert;
  this.popInd = popInd
  this.x = x;
  this.y = y;
  this.width = width;
  this.overCol = overCol;
  this.backCol = backCol;
  this.borderClass = borderClass;
  this.textClass = textClass;
  this.parentMenu = null;
  this.parentItem = null;
  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;
  this.ref = null;
}

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

  for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
    var str = '', itemX = 0, itemY = 0;

    for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
      var itemID = 'menu' + currMenu + 'item' + currItem;

      var w = (isVert ? width : length);
      var h = (isVert ? length : width);

      if (isDOM || isIE4) {
        str += '<div id="' + itemID + '" style="z-index: 20; 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 + '" ';

      str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';

      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) {
        menu[target][0].parentMenu = currMenu;
        menu[target][0].parentItem = currItem;

        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.getElementById('navbarcontainer').item(0).appendChild(newDiv);
      document.getElementById('navbarcontainer').appendChild(newDiv);
      newDiv.innerHTML = str;
      ref = newDiv.style;
      ref.position = 'absolute';
      ref.visibility = 'hidden';
    }

    if (isIE4) {
      document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
      ref = getSty('menu' + currMenu + 'div');
    }

    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 = '#880000', defBack = '#B00000';
var defLength = 22;



menu[0] = new Array();
//menu[0][0] = new Menu(false, '', 120, 150, 20, '#880000', '#B00000', '', 'navText');
menu[0][0] = new Menu(false, '', 20, 148, 20, '#880000', '#B00000', '', 'navText');
menu[0][1] = new Item('  HOME', 'index.htm', '', 45, 8, 0);
menu[0][2] = new Item('  CRAFTSMANSHIP', 'craftsmanship.html', '', 120, 8, 3);
menu[0][3] = new Item('  OUR PROJECTS', 'projects.html', '', 113, 8, 2);
menu[0][4] = new Item('  PLANS', 'plans.html', '', 52, 8, 0);
menu[0][5] = new Item('  WHY BUILD WITH US?', 'why.html', '', 162, 8, 6);
menu[0][6] = new Item('  ABOUT US', 'about.html', '', 78, 8, 0);
menu[0][7] = new Item('  CONTACT', 'contact.html', '', 65, 8, 0);
menu[0][8] = new Item('  LINKS', 'links.html', '', 45, 8, 0);

// Not in use
menu[1] = new Array();
menu[1][0] = new Menu(true, '>', 0, 21, 80, defOver, defBack, 'navBorder', 'navText');

// Our Projects menu
menu[2] = new Array();
menu[2][0] = new Menu(true, '>', 0, 21, 100, defOver, defBack, 'navBorder', 'navText');
menu[2][1] = new Item('New Homes', 'projects.html#newhomes', '', defLength, 0, 0);
menu[2][2] = new Item('Design', 'projects.html#design', '', defLength, 0, 0);
menu[2][3] = new Item('Renovations', 'projects.html#renovations', '', defLength, 0, 0);
menu[2][4] = new Item('Extensions', 'projects.html#extensions', '',defLength, 0, 0);

// Craftsmanship menu
menu[3] = new Array();
menu[3][0] = new Menu(true, '>', 0, 21, 80, defOver, defBack, 'navBorder', 'navText');
menu[3][1] = new Item('External', 'craftsmanship.html#external', '', defLength, 0, 4);
menu[3][2] = new Item('Internal', 'craftsmanship.html#internal', '', defLength, 0, 5);

// External menu
menu[4] = new Array();
menu[4][0] = new Menu(true, '>', 81, 0, 95, defOver, defBack, 'navBorder', 'navText');
menu[4][1] = new Item('Render', 'gallery.html?var=craftsmanship/render/index.html', '', defLength, 0, 0);
menu[4][2] = new Item('Landscaping', 'gallery.html?var=craftsmanship/landscaping/index.html', '', defLength, 0, 0);
menu[4][3] = new Item('Brickwork', 'gallery.html?var=craftsmanship/brickwork/index.html', '', defLength, 0, 0);
menu[4][4] = new Item('Lighting', 'gallery.html?var=craftsmanship/lighting/index.html', '', defLength, 0, 0);

// Internal menu
menu[5] = new Array();
menu[5][0] = new Menu(true, '>', 81, 0, 145, defOver, defBack, 'navBorder', 'navText');
menu[5][1] = new Item('Tile & Parquetry', 'gallery.html?var=craftsmanship/tile/index.html', '', defLength, 0, 0);
menu[5][2] = new Item('Walls', 'gallery.html?var=craftsmanship/walls/index.html', '', defLength, 0, 0);
menu[5][3] = new Item('Ceilings', 'gallery.html?var=craftsmanship/ceilings/index.html', '', defLength, 0, 0);
menu[5][4] = new Item('Stairs', 'gallery.html?var=craftsmanship/stairs/index.html', '', defLength, 0, 0);
menu[5][5] = new Item('Window finishings', 'gallery.html?var=craftsmanship/windows/index.html', '', defLength, 0, 0);
menu[5][6] = new Item('Kitchens', 'gallery.html?var=craftsmanship/kitchens/index.html', '', defLength, 0, 0);
menu[5][7] = new Item('Lighting', 'gallery.html?var=craftsmanship/lighting_in/index.html', '', defLength, 0, 0);
menu[5][8] = new Item('Bathrooms', 'gallery.html?var=craftsmanship/bathrooms/index.html', '', defLength, 0, 0);

// Why Build with us menu
menu[6] = new Array();
menu[6][0] = new Menu(true, '>', 0, 21, 160, defOver, defBack, 'navBorder', 'navText');
menu[6][1] = new Item('Testimonials', 'testimonial.html', '', defLength, 0, 0);
menu[6][2] = new Item('Building Process', 'building_process.html', '', defLength, 0, 7);
menu[6][3] = new Item('Buy, build or extend?', 'buy_vs_build.html', '', defLength, 0, 0);
menu[6][4] = new Item('MBAV Contract', 'mbav_contract.html', '', defLength, 0, 0);
menu[6][5] = new Item('5 Star Energy Rating', '5_star_energy.html.html', '', defLength, 0, 0);

// Building Process Menu
menu[7] = new Array();
menu[7][0] = new Menu(true, '>', 160, 0, 180, defOver, defBack, 'navBorder', 'navText');
menu[7][1] = new Item('New Home Process', 'new_home_process.html', '', defLength, 0, 0);
menu[7][2] = new Item('Reno/Extension Process', 'reno_process.html', '', 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);
}