function menu( id )
{
	if (document.getElementById('pruh-'+id).className=='pruh')
		{
			document.getElementById('pruh-'+id).className='pruh-sel'
		}
	else if (document.getElementById('pruh-'+id).className=='pruh-stranka')
		{
			document.getElementById('pruh-'+id).className='pruh-stranka'
		}
	else
		{
			document.getElementById('pruh-'+id).className='pruh'
		}
};

function cykly()
{
	//fotky 
  if (document.getElementById('pic-top').style.background == '' || document.getElementById('pic-top').style.background == 'url(pics/pic-top4.jpg)' || document.getElementById('pic-top').style.background == 'transparent url(pics/pic-top4.jpg) repeat scroll 0% 0%' || document.getElementById('pic-top').style.background == 'url("http://www.arkointerier.cz/pics/pic-top4.jpg")')
		{
			document.getElementById('pic-top').style.background = 'url(pics/pic-top1.jpg)';
			document.getElementById('pic-bottom').style.background = 'url(pics/pic-bottom1.jpg)';
			document.getElementById('panel-top').style.background = 'url(pics/panel1.jpg)';
		}
	else if (document.getElementById('pic-top').style.background == 'url(pics/pic-top1.jpg)' || document.getElementById('pic-top').style.background == 'transparent url(pics/pic-top1.jpg) repeat scroll 0% 0%' || document.getElementById('pic-top').style.background == 'url("http://www.arkointerier.cz/pics/pic-top1.jpg")')
		{
			document.getElementById('pic-top').style.background = 'url(pics/pic-top2.jpg)';
			document.getElementById('pic-bottom').style.background = 'url(pics/pic-bottom2.jpg)';
			document.getElementById('panel-top').style.background = 'url(pics/panel2.jpg)';
		}
	else if (document.getElementById('pic-top').style.background == 'url(pics/pic-top2.jpg)' || document.getElementById('pic-top').style.background == 'transparent url(pics/pic-top2.jpg) repeat scroll 0% 0%' || document.getElementById('pic-top').style.background == 'url("http://www.arkointerier.cz/pics/pic-top2.jpg")')
		{
			document.getElementById('pic-top').style.background = 'url(pics/pic-top3.jpg)';
			document.getElementById('pic-bottom').style.background = 'url(pics/pic-bottom3.jpg)';
			document.getElementById('panel-top').style.background = 'url(pics/panel3.jpg)';
		}
  else
		{
			document.getElementById('pic-top').style.background = 'url(pics/pic-top4.jpg)';
			document.getElementById('pic-bottom').style.background = 'url(pics/pic-bottom4.jpg)';
			document.getElementById('panel-top').style.background = 'url(pics/panel4.jpg)';
		}
	
  
  //logo
  if (document.getElementById('logo').className == 'logo1')
		{
      document.getElementById('logo').src = 'pics/logostavby.png'
      document.getElementById('logo').className = 'logo2'
		}
	else
    {
      document.getElementById('logo').src = 'pics/logo.png'
      document.getElementById('logo').className = 'logo1'
    }
  
  odpocet=setTimeout("cykly()", 10000);
};