function menu_hover(id)
{
	var links = document.getElementById(id).getElementsByTagName('a');

	for(var i=0; i<links.length; i++)
	{
		//links[i].onmouseover = function () {this.className = "hover"; document.getElementById("menu_img").src = "i/menu"+i+".jpg"; };
		links[i].onmouseover = mouse_over;
		links[i].onmouseout = function () {this.className = "" }
	}
}

function mouse_over()
{
	this.className = "hover";
	document.getElementById("menu_img").src = "i/menu"+this.id+".jpg";
}

function menu_hover2(id)
{
	var links = document.getElementById(id).getElementsByTagName('li');
	
	for (var i = 0; i < links.length; i++)
	{
		links[i].onmouseover = function () { var l2 = this.getElementsByTagName('img'); l2[0].src = "i/bulb_lit.gif"; }
		links[i].onmouseout = function () { var l2 = this.getElementsByTagName('img'); l2[0].src = "i/point.gif"; }
	}
		
}

function start_scroll()
{
	var da_div = document.getElementById("year_info");
	da_div.scrollTop += 1;
	if (da_div.scrollTop >= da_div.scrollHeight - da_div.offsetHeight - 5)
	{
		return ;
//		setTimeout("closeApp()", 15000);
	}
	else
		setTimeout("start_scroll()", 25);
}

function closeApp()
{
	document.location.href = "http://www.google.com/close_app";
}

function scroll_up(id, amount)
{
	var div = document.getElementById(id);
	div.scrollTop -= 72;
}
function scroll_down(id, amount)
{
	var div = document.getElementById(id);
	div.scrollTop += 72;
}

function show_img(ind, src, id, movie, img_name)
{
	// alert(img_name);
	if (movie == 'false')
		document.getElementById(id).innerHTML = '<img src="' + src + '" alt="" height="312"/>';
	else
	{
		document.getElementById(id).innerHTML = '<div id="flashbanner"><embed type="application/x-shockwave-flash" src="mediaplayer.swf" style="" id="mpl" name="mpl" quality="high" allowfullscreen="false" wmode="transparent" flashvars="file=' + movie + '&amp;backcolor=0xffffff&amp;autostart=true" width="420" height="312"></div>';
	}
	var the_p = document.getElementById("parag_" + ind);
	var the_id_elem = document.getElementById("img_" + img_name);
	// alert(the_id_elem.innerHTML);
	var the_c = document.getElementById("text");
	// alert(the_c.innerHTML);
	if (the_id_elem)
	{
		vScrollInContainer(the_c, the_id_elem);
	}
	else if (the_p)
		the_c.scrollTop = the_p.offsetTop;
	else
	{
		/*
		var ps = the_c.getElementsByTagName("p");
		if (ps.length > ind)
			the_c.scrollTop = ps[ind].offsetTop;
			*/
	}
}

function open_submenu(id)
{
	var uls = document.getElementById('main_menu').getElementsByTagName('ul');
	for (var i = 0; i < uls.length; i++)
	{
		if (i == id)
		{
			uls[i].style.display = 'block';
			document.getElementById('p'+i).style.backgroundImage = 'url(i/menu_2.gif)';
		}
		else
		{
			uls[i].style.display = 'none';
			document.getElementById('p'+i).style.backgroundImage = 'url("i/menu_1.gif")';
		}
	}
}

function check_menu()
{
	var uls = document.getElementById('main_menu').getElementsByTagName('ul');
	if (uls.length > 0)
	{
		for (var i = 0; i < uls.length; i++)
		{
			var as = uls[i].getElementsByTagName('a');
			for(var j = 0; j < as.length; j++)
			{
				if (as[j].getAttribute('class') == 'selected')
				{
					uls[i].style.display = 'block';
					document.getElementById('p'+i).style.backgroundImage = 'url(i/menu_2.gif)';
				}
			}
		}
	}
}

function vScrollInContainer(container, elem)
{
	var scroll_top = 0;
	var e = elem;
	while (e && (e != container))
	{
		scroll_top += e.offsetTop;
		e = e.offsetParent;
	}
	container.scrollTop = scroll_top;
}

// Determine browser

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function set_width(w)
{
	document.getElementById("timeline").setAttribute("width", w + "px");
	document.getElementById("timeline").style.width = w + "px";
}

function dragGo(event) {

  var x, y;
  var timeline = document.getElementById('timeline');
  var holder = document.getElementById('holder');
  
  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }
  
  // alert(x + " x "+ y);

  // Move drag element by the same amount the cursor has moved.

  if ((dragObj.elStartLeft + x - dragObj.cursorStartX) > 0)
  	dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  else 
  	dragObj.elNode.style.left = "0px";
  if ((dragObj.elStartLeft + x - dragObj.cursorStartX) > 720)
  	dragObj.elNode.style.left = "720px";
  holder.scrollLeft = (dragObj.elNode.offsetLeft * timeline.offsetWidth)/1000;
  //alert((dragObj.elNode.offsetLeft * timeline.offsetWidth)/800);
  
  //dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Clear the drag element global.

  dragObj.elNode = null;

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}

var set_year_info_last = null;

function set_year_info(string_year, id)
{
	if (set_year_info_last)
		set_year_info_last.style.display = 'none';
	var c_div = document.getElementById("info_" + string_year);
	if (c_div)
	{
		c_div.style.display = 'block';
		set_year_info_last = c_div;
	}
	
	var links = document.getElementById('timeline').getElementsByTagName('a');
	for (var i = 0; i < links.length; i++)
		if(links[i].id == id)
			links[i].className = "selected";
		else
			links[i].className = "";
}

function getFlashMovieObject(movieName)
{
  if (window.document[movieName]) 
  {
    return window.document[movieName];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
      return document.embeds[movieName]; 
  }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {
    return document.getElementById(movieName);
  }
}

function StopFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.StopPlay();
}

function PlayFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.Play();
	//embed.nativeProperty.anotherNativeMethod();
}

function RewindFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.Rewind();
}

function NextFrameFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	// 4 is the index of the property for _currentFrame
	var currentFrame=flashMovie.TGetProperty("/", 4);
	var nextFrame=parseInt(currentFrame);
	if (nextFrame>=10)
		nextFrame=0;
	flashMovie.GotoFrame(nextFrame);		
}


function ZoominFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.Zoom(90);
}

function ZoomoutFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.Zoom(110);
}


function SendDataToFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	flashMovie.SetVariable("/:message", document.controller.Data.value);
}

function ReceiveDataFromFlashMovie()
{
	var flashMovie=getFlashMovieObject("myFlashMovie");
	var message=flashMovie.GetVariable("/:message");
	document.controller.Data.value=message;
}

function set_class()
{
	var item = document.getElementById('sound');
	var obj = parent.document.getElementById('variables');
	if(obj.getAttribute('sound_on') == "false")
		item.className = "no_sound";
	else
		item.className = "sound";
}

function playSound(soundobj) {
	var thissound=document.getElementById(soundobj);
	thissound.Play();
}

/*
function setSound(nr)
{
	alert(nr);
	switch(nr)
	{
		case '1': var isPlaying = parent.document.getElementById('1');
		case '2': var isPlaying = parent.document.getElementById('2');
		case '3': var isPlaying = parent.document.getElementById('3');
		case '4': var isPlaying = parent.document.getElementById('4');
	}
	
	
	alert(isPlaying);
	
	if (isPlaying.title == "true")
	{
		document.getElementById('sound').className = "sound";
		alert(isPlaying.id);
		if (isPlaying.id != nr)
		{
			isPlaying.Stop();
			isPlaying.title = "false";
			parent.document.getElementById(nr).Play();
		}
	}
	else
	{
		document.getElementById('sound').className = "no_sound";
	}
}
*/

function parentChangeMusic(id)
{
	//alert(parent.document.getElementById(id));
	var sound_on = parent.document.getElementById('variables').getAttribute('sound_on');
	var last_id = parent.document.getElementById('variables').getAttribute('last_id');
	//alert(sound_on);
	//alert(last_id);
	
	if(sound_on == "true")
	{
		document.getElementById('sound').className = "sound";
		if (last_id != id)
		{
			parent.document.getElementById(last_id).Stop();
			parent.document.getElementById(id).Play();
			parent.document.getElementById('variables').setAttribute('last_id', id);
		}
	}
	else
	{
		document.getElementById('sound').className = "no_sound";
	}
}

function startStopMusicEx(val)
{
	var div_music = parent.document.getElementById("embed_list");
	var embs = div_music.getElementsByTagName("embed");
	
	for (var i = 0; i < embs.length; i++)
	{
		// alert(embs[i]);
		embs[i].Stop();
	}
	
	parent.document.getElementById('variables').setAttribute('sound_on', 'false');
	
	if (val == "true")
	{
		var last_id = parent.document.getElementById('variables').getAttribute('last_id');
		var last_one = parent.document.getElementById(last_id);
		
		last_one.Play();
		document.getElementById('sound').className = "sound";
		parent.document.getElementById('variables').setAttribute('sound_on', 'true');
	}
}

function startStopMusic(id)
{
	//alert(parent.document.getElementById(id));
	var sound_on = parent.document.getElementById('variables').getAttribute('sound_on');
	var last_id = parent.document.getElementById('variables').getAttribute('last_id');
	parent.document.getElementById('variables').setAttribute('last_id', id);
	//alert(sound_on);
	//alert(last_id);
	var div_music = parent.document.getElementById("embed_list");
	// alert(div_music);
	var embs = div_music.getElementsByTagName("embed");
	// alert(embs.lenth);
	for (var i = 0; i < embs.length; i++)
	{
		// alert(embs[i]);
		embs[i].Stop();
	}
	
	if(sound_on == "true")
	{
		// alert("stoping:" + id);
		parent.document.getElementById(id).Stop();
		document.getElementById('sound').className = "no_sound";
		parent.document.getElementById('variables').setAttribute('sound_on', 'false');
	}
	else
	{
		parent.document.getElementById(id).Play();
		document.getElementById('sound').className = "sound";
		parent.document.getElementById('variables').setAttribute('sound_on', 'true');
	}
}