var curPic = 0;
function nextSlide()
{
  curPic++;
  if(curPic == arrPics.length)
	curPic = 0;

  hp = document.getElementById('hpic');

  var isIE =navigator.userAgent.toLowerCase().indexOf("msie") != -1;
  if (isIE) 
    if(hp.filters.item(0))
      hp.filters.item(0).Apply();

  hp.src = 'header_pics/' + arrPics[curPic];

  if (isIE)
    if(hp.filters.item(0))
      hp.filters.item(0).Play();

  window.setTimeout(nextSlide, 5000);
};

function bodyLoad()
{
	curPic = Math.ceil(arrPics.length*Math.random()) - 1;
	window.setTimeout(nextSlide, 5000);

    bodyResize();
}

function swapImage(img, src)
{
	if(img)
	{
		img.src = src;
	}
}
function gotoURL(url)
{
	top.document.location = url;
}

function getX( oElement )
{
	var iReturnValue = 0;
	while( oElement != null ) 
	{
		iReturnValue += oElement.offsetLeft;
		oElement = oElement.offsetParent;
	}
	return iReturnValue;
}

function bodyResize()
{
	var logo = document.getElementById('logo');
	var hpic = document.getElementById('hpic');
	var ekran = document.getElementById('ekran');
	var smallmesh = document.getElementById('small_mesh');
	var mesh = document.getElementById('mesh');
	var hdr = document.getElementById('header');
	var menu = document.getElementById('menu');
	

	var edge1 = getX(menu);

	var edge = getX(mesh);
	if(edge <= 0)
	{
		mesh.style.marginLeft = edge1 - 50;
		hdr.style.paddingTop = 0;
		ekran.style.paddingTop = 0;
		menu.style.marginTop = -33;
	}
	else
	{
		mesh.style.marginLeft = 0;
		hdr.style.paddingTop = 10;
		ekran.style.paddingTop = 20;
		menu.style.marginTop = -23;
	}
	


	edge = getX(hpic) + hpic.width;
	logo.style.left = edge - 10;
	logo.style.visibility = "visible";

	smallmesh.style.left = edge - 35;
	smallmesh.style.visibility = "visible";

	var steps = document.getElementById('steps');
	edge = getX(document.getElementById('content'));
	steps.style.left = edge - 70;
	steps.style.visibility = "visible";
}

function programDetails(id)
{
    document.location="?page=program_details&prog=" + id;
}

var vid;
function videoGallery()
{
	var isIE =navigator.userAgent.toLowerCase().indexOf("msie") != -1;
	
	var vurl = "video_gallery.php";
	var vname = "VideoGallery";
	var spar = "fullscreen=1,left=0,top=0,width=" + screen.width + ",height=" + screen.height + ",menubar=0,toolbar=0,status=0,location=0";
	if(null != vid)
	{
		try
		{
			if(isIE)
			{
			popup.focus();
			//popup.location.href = url;
			return;
			}
		
			vid.close();
			//vid.location.href = url;
			//return;
		}
		catch(err)
		{
			//vid.close();
			vid = null;
		}
	}

	vid = window.open(vurl, vname, spar);
	vid.focus();
}