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 popOverAll()
{
	for (currMenu = 0; currMenu < menu.length; currMenu++) 
		for (currItem = 1; currItem < menu[currMenu].length; currItem++) 
			with (menu[currMenu][currItem]) 
			{
				if (target>0) 
				{ 
					thisX = parseInt(menu[currMenu][0].ref.left) + parseInt(ref.left);
					thisY = parseInt(menu[currMenu][0].ref.top) + parseInt(ref.top);
					with (menu[target][0].ref) 
					{ 
						left = parseInt(thisX + menu[target][0].x);
						top = parseInt(thisY + menu[target][0].y);
					}
				}
			}	
}

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="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 class="' + textClass + '" onclick="document.location.href=\'http://www.hdlab.pl/en/' + href + '\'" 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.getElementsByTagName('body').item(0).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 = 'hidden';
	}
	moveRoot();
	popOverAll();
}

var menu = new Array(); 
var defOver = '#184069', defBack = '#42698C'; 
var defLength = 25;

menu[0] = new Array(); 
menu[0][0] = new Menu(false, '', 400, 27, defLength, defOver, defBack, '', 'tekst-menu'); 
menu[0][1] = new Item('Services', 'services.php', '', 74, 0, 1);
menu[0][2] = new Item('Technology', 'technology.php', '', 88, 0, 2); 
menu[0][3] = new Item('About us', 'about.php', '', 83, 0, 3); 
menu[0][4] = new Item('Contact', 'contact.php', '', 75, 0, 4);

menu[1] = new Array(); 
menu[1][0] = new Menu(true, '>', 10, 25, 150, defOver, defBack, '', 'tekst-menu'); 
menu[1][1] = new Item('Data recovery', 'services.php', '', defLength, 0, 5); 
menu[1][2] = new Item('Data erasure', 'services.php#erasure', '', defLength, 0, 0); 

menu[2] = new Array(); 
menu[2][0] = new Menu(true, '>', 10, 25, 150, defOver, defBack, '', 'tekst-menu'); 
menu[2][1] = new Item('Laboratory', 'technology.php', '', defLength, 0, 0); 
menu[2][2] = new Item('Gallery', 'gallery.php', '', defLength, 0, 0); 

menu[3] = new Array(); 
menu[3][0] = new Menu(true, '>', 10, 25, 150, defOver, defBack, '', 'tekst-menu'); 
menu[3][1] = new Item('History', 'about.php', '', defLength, 0, 0); 
menu[3][2] = new Item('Testimonials', 'testimonials.php', '', defLength, 0, 0); 

menu[4] = new Array(); 
menu[4][0] = new Menu(true, '>', 10, 25, 150, defOver, defBack, '', 'tekst-menu'); 
menu[4][1] = new Item('Address', 'contact.php', '', defLength, 0, 0); 
menu[4][2] = new Item('Our location', 'location.php', '', defLength, 0, 0); 

menu[5] = new Array(); 
menu[5][0] = new Menu(true, '>', 152, 2, 150, defOver, defBack, '', 'tekst-menu'); 
menu[5][1] = new Item('Procedure', 'procedure.php', '', defLength, 0, 0); 
menu[5][2] = new Item('Application form', 'forms.php', '', defLength, 0, 0); 
menu[5][3] = new Item('Data carriers', 'carriers.php', '', 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 getWidth()
{
	if (isNS4) 
		return window.innerWidth
	else 
		return document.body.clientWidth
}

function moveRoot()
{
	with(menu[0][0].ref)
	{
		var x=getWidth()/2;
		if(x>400)
			left=x-100;	
		else
			left=300;
	}
}

function findObj(n) 
{
 	var x,d;  
	d=document; 
	if(!x&&d.getElementById) 
		x=d.getElementById(n); 
	return x;
}

function swapImage() 
{ 
	var x,a=swapImage.arguments; 
	document.sr=null;
	if((x=findObj(a[0]))!=null)
	{ 
		document.sr=x; 
		if(!x.oSrc) 
			x.oSrc=x.src; 
		x.src=a[1];
	}
}

function swapImgRestore()
{ 
	var x=document.sr; 
	if(x!=null)
		x.src=x.oSrc;
}

function preloadIMG() 
{
	var arr=self.imgToPreload;
	if(arr!=null) 
	{
		var d=document; 
		if(d.images)
		{
			if(!d.p) 
				d.p=new Array();
			var i,j=d.p.length; 
			for(i=0; i<arr.length; i++) 
			{
				d.p[j]=new Image(); 
				d.p[j].src=arr[i]; 
				j++;
			}
		}
	}
}

function add2preload(name) 
{
	if(self.imgToPreload==null) 
		self.imgToPreload=new Array();
	var arr=self.imgToPreload;
	if (arr!=null) 
		arr[arr.length]=name;
}

var MM_contentVersion=7;
var plugin=(navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
if(plugin)
{
	var words=navigator.plugins["Shockwave Flash"].description.split(" ");
	for (var i = 0; i < words.length; ++i)
	{
		if (isNaN(parseInt(words[i])))
			continue;
		var MM_PluginVersion = words[i]; 
	}
	var MM_FlashCanPlay=MM_PluginVersion>=MM_contentVersion;
}else 
if (navigator.userAgent && navigator.userAgent.indexOf("MSIE")>=0 && (navigator.appVersion.indexOf("Win") != -1)) 
{
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n'); 
	document.write('on error resume next \n');
	document.write('MM_FlashCanPlay=( IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & MM_contentVersion)))\n');
	document.write('</SCR' + 'IPT\> \n');
}

function MM_reloadPage(init) //reloads the window if Nav4 resized
{  
	if (init==true) with (navigator) 
	{
		if ((appName=="Netscape")&&(parseInt(appVersion)==4)) 
		{
		    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; 
		}
	}else 
	if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) 
		location.reload();
}

MM_reloadPage(true);