// JavaScript Document
// styleName = new ItemStyle(length of items, spacing after items, 'popout indicator HTML',
//  popout indicator position, padding of text within item, 'out background colour or image
//  filename', 'hover background colour or filename', 'out text stylesheet class', 'hover text class',
//  'out border stylesheet class', 'hover border class', out opacity percentage or null to make
//  it fully opaque, hover opacity percentage or null, 'CSS mouse cursor for normal items',
//  'CSS cursor for sm: and blank items');
var hBar     = new ItemStyle(40, 5, '', 0, 0, '#31548A', '#6699CC', 'highText', 'highText', '', '', null, null, 'hand', 'default');
var subM     = new ItemStyle(22, 0, '>', -15, 3, '#31548A', '#6699CC', 'highTextSubM', 'highTextSubM', 'itemBorder', 'itemBorder', null, null, 'hand', 'default');
var subBlank = new ItemStyle(22, 1, '>', -15, 3, '#CCCCDD', '#6699CC', 'lowText', 'highText', 'itemBorderBlank', 'itemBorder', null, null, 'hand', 'default');
var button   = new ItemStyle(23, 1, '>', -15, 2, '#666633', '#336600', 'highText', 'lowText', 'buttonBorder', 'buttonBorderOver', null, null, 'hand', 'default');
//var hPicture = new ItemStyle(130, 10, '', 0, 0, 'water.gif', '#6699CC', 'highText', 'highText', '', '', null, null, 'hand', 'default');


// startMenu('menu name', Vertical menu (true/false)?, left, top, width, default ItemStyle
//  for items in this menu, optional parent frame/window or layer in which this menu resides);
// addItem('Text', 'URL or menuname', 'action type', optional ItemStyle, length, spacing,
//  'popout indicator', popout indicator position, etc... in the same order as ItemStyles);
//

var pMenu = new PopupMenu('pMenu');
with (pMenu)
{
 startMenu('root', false, 220, 80, 18, hBar);
// startMenu('root', false, 'page.winW()/2 - pMenu.menu.root[0].menuW/2 + 100', 90, 18, hBar); 

 addItem('  Home', '/index.htm', '', hBar, 80);
 addItem('  Course', 'mCourse', 'sm:', hBar, 90);
 addItem('  Procedures', 'mProcedures', 'sm:', hBar, 130);
 addItem('  Universities', 'mUniversities', 'sm:', hBar, 130);
 addItem('  Contact', '/en/contact.htm', '', hBar, 90);

 //---- Course
 startMenu('mCourse', true, 0, 22, 220, subM);
 addItem('Programme structure', '/en/programme.htm', '');
 addItem('Modules', '/en/modules.htm', '');
 addItem('Academic calendar', '/en/calendar.htm', '');
 addItem('Learning outcomes', '/en/outcomes.htm', '');
 addItem('Short courses', '/en/short_courses.htm', '');
 addItem('Events', '/en/introWeek/index.htm', '');

 //---- Procedures
 startMenu('mProcedures', true, 0, 22, 200, subM);
 addItem('Application', '/en/application.htm', '');
 addItem('Admission', 'mAdmission', 'sm:');
 addItem('Examination & assessment', '/en/examination.htm', '');
 addItem('Financial information', '/en/fin_support.htm', '');

 //---- Admission
 startMenu('mAdmission', true, 200, 0, 195, subM);
 addItem('General requirements', '/en/adm_genrequirements.htm', '');
 addItem('Language requirements', '/en/adm_langrequirements.htm', '');
 addItem('Selection procedure', '/en/adm_selprocedure.htm', '');

 //---- Universities
 startMenu('mUniversities', true, 0, 22, 200, subM);
 addItem('Academic board', '/en/acad_board.htm', '');
 addItem('N.T. University of Athens', '/en/universities/ntua.htm', '');
 addItem('University of Belgrade', '/en/universities/ub.htm', '');
 addItem('T.University of Bucharest', '/en/universities/tub.htm', '');
 addItem('University of Ljubljana', '/en/universities/ul.htm', '');

}


// *** (3) MENU EFFECTS AND ANIMATION ***

// addMenuBorder(menuObject, ItemStyle, opacity of border, 'border colour', border width, 'padding colour', padding width);
addMenuBorder(pMenu, window.subBlank, null, '#666666', 1, '#CCCCDD', 2);

// [opacity, 'layer colour', X offset, Y offset, Width Difference, Height difference]
addDropShadow(pMenu, window.subM, [40,"#333333",6,6,-4,-4], [40,"#666666",4,4,0,0]);
addDropShadow(pMenu, window.subBlank, [40,"#333333",6,6,-4,-4], [40,"#666666",4,4,0,0]);

if (!isOp && navigator.userAgent.indexOf('rv:0.')==-1)
{
 pMenu.showMenu = new Function('mN','menuAnim(this, mN, 10)');
 pMenu.hideMenu = new Function('mN','menuAnim(this, mN, -10)');
}




// *** (4) EVENTS ***
//


if (!isNS4)
{
 // Write menus now in non-NS4 browsers, by calling the "Fast" mode .update(true) method.
 pMenu.update(true);
 //anotherMenu.update(true);
}
else
{
 // For Netscape 4, back up the old onload function and make a new one to update our menus.
 // This is the regular "Dynamic" mode menu update, it works in IE and NS6 too if required.
 var popOldOL = window.onload;
 window.onload = function()
 {
  if (popOldOL) popOldOL();
  pMenu.update();
  //anotherMenu.update();
 }
}


// Other events must be assigned, these are less complicated, just add or remove menu objects.

var nsWinW = window.innerWidth, nsWinH = window.innerHeight, popOldOR = window.onresize;
window.onresize = function()
{
 if (popOldOR) popOldOR();
 if (isNS4 && (nsWinW!=innerWidth || nsWinH!=innerHeight)) history.go(0);
 pMenu.position();
 //anotherMenu.position();
}

window.onscroll = function()
{
 pMenu.position();
 //anotherMenu.position();
}


// NS4 can't reliably capture clicks on layers, so here's a workaround.
if (isNS4)
{
 document.captureEvents(Event.CLICK);
 document.onclick = function(evt)
 {
  with (pMenu) if (overI) click(overM, overI);
  //with (anotherMenu) if (overI) click(overM, overI);
  return document.routeEvent(evt);
 }
}

// Activate the window.onscroll() event in non-Microsoft browsers.
if (!isIE || isOp)
{
 var nsPX=pageXOffset, nsPY=pageYOffset;
 setInterval('if (nsPX!=pageXOffset || nsPY!=pageYOffset) ' +
 '{ nsPX=pageXOffset; nsPY=pageYOffset; window.onscroll() }', 50);
}




// *** (5) OPTIONAL CODE ***   DELETE IF YOU'RE NOT USING THESE!

// ANIMATION:

function menuAnim(menuObj, menuName, dir)
{
 // The array index of the named menu (e.g. 'mFile') in the menu object (e.g. 'pMenu').
 var mD = menuObj.menu[menuName][0];
 // Add timer and counter variables to the menu data structure, we'll need them.
 if (!mD.timer) mD.timer = 0;
 if (!mD.counter) mD.counter = 0;

 with (mD)
 {
  // Stop any existing animation.
  clearTimeout(timer);

  // If the layer doesn't exist (cross-frame navigation) quit.
  if (!lyr || !lyr.ref) return;
  // Show the menu if that's what we're doing.
  if (dir>0) lyr.vis('visible');
  // Also raise showing layers above hiding ones.
  lyr.sty.zIndex = 1001 + dir;

  // Clip the visible area. Tweak this if you want to change direction/acceleration etc.
  lyr.clip(0, 0, menuW+2, (menuH+2)*Math.pow(Math.sin(Math.PI*counter/200),0.75) );
  // Remove clipping in NS6 on completion, seems to help old versions.
  if ((isDOM&&!isIE) && (counter>=100)) lyr.sty.clip='';

  // Increment the counter and if it hasn't reached the end (10 steps either way),
  // set the timer to call the show/hide function again in 40ms.
  counter += dir;
  if (counter>100) counter = 100;
  else if (counter<0) { counter = 0; lyr.vis('hidden') }
  else timer = setTimeout(menuObj.myName+'.'+(dir>0?'show':'hide')+'Menu("'+menuName+'")', 40);
 }
}

// Here's the alternative IE5.5+ filter animation function.
function menuFilterShow(menuObj, menuName, filterName)
{
 var mD = menuObj.menu[menuName][0];
 with (mD.lyr)
 {
  sty.filter = filterName;
  var f = ref.filters;
  if (f&&f.length&&f[0]) f[0].Apply();
  vis('visible');
  if (f&&f.length&&f[0]) f[0].Play();
 }
}



// BORDERS AND DROPSHADOWS:
//

function addMenuBorder(mObj, iS, alpha, bordCol, bordW, backCol, backW)
{
 // Loop through the menu array of that object, finding matching ItemStyles.
 for (var mN in mObj.menu)
 {
  var mR=mObj.menu[mN], dS='<div style="position:absolute; background:';
  if (mR[0].itemSty != iS) continue;
  // Loop through the items in that menu, move them down and to the right a bit.
  for (var mI=1; mI<mR.length; mI++)
  {
   mR[mI].iX += bordW+backW;
   mR[mI].iY += bordW+backW;
  }
  // Extend the total dimensions of menu accordingly.
  mW = mR[0].menuW += 2*(bordW+backW);
  mH = mR[0].menuH += 2*(bordW+backW);

  // Set the menu's extra content string with divs/layers underneath the items.
  if (isNS4) mR[0].extraHTML += '<layer bgcolor="'+bordCol+'" left="0" top="0" width="'+mW+
   '" height="'+mH+'" z-index="980"><layer bgcolor="'+backCol+'" left="'+bordW+'" top="'+
   bordW+'" width="'+(mW-2*bordW)+'" height="'+(mH-2*bordW)+'" z-index="990"></layer></layer>';
  else mR[0].extraHTML += dS+bordCol+'; left:0px; top:0px; width:'+mW+'px; height:'+mH+
   'px; z-index:980; '+(alpha!=null?'filter:alpha(opacity='+alpha+'); -moz-opacity:'+(alpha/100):'')+
   '">'+dS+backCol+'; left:'+bordW+'px; top:'+bordW+'px; width:'+(mW-2*bordW)+'px; height:'+
   (mH-2*bordW)+'px; z-index:990"></div></div>';
 }
}


function addDropShadow(mObj, iS)
{
 // Pretty similar to the one above, just loops through list of extra parameters making
 // dropshadow layers (from arrays) and extending the menu dimensions to suit.
 for (var mN in mObj.menu)
 {
  var a=arguments, mD=mObj.menu[mN][0], addW=addH=0;
  if (mD.itemSty != iS) continue;
  for (var shad=2; shad<a.length; shad++)
  {
   var s = a[shad];
   if (isNS4) mD.extraHTML += '<layer bgcolor="'+s[1]+'" left="'+s[2]+'" top="'+s[3]+'" width="'+
    (mD.menuW+s[4])+'" height="'+(mD.menuH+s[5])+'" z-index="'+(arguments.length-shad)+'"></layer>';
   else mD.extraHTML += '<div style="position:absolute; background:'+s[1]+'; left:'+s[2]+
    'px; top:'+s[3]+'px; width:'+(mD.menuW+s[4])+'px; height:'+(mD.menuH+s[5])+'px; z-index:'+
    (a.length-shad)+'; '+(s[0]!=null?'filter:alpha(opacity='+s[0]+'); -moz-opacity:'+(s[0]/100):'')+
    '"></div>';
   addW=Math.max(addW, s[2]+s[4]);
   addH=Math.max(addH, s[3]+s[5]);
  }
  mD.menuW+=addW; mD.menuH+=addH;
 }
}