<!--
	function winH() {
	   if (window.innerHeight)
	      /* NN4 a kompatibilní prohlížeče */
	      return window.innerHeight;
	   else if
	   (document.documentElement &&
	   document.documentElement.clientHeight)
	      /* MSIE6 v std. režimu - Opera a Mozilla
	      již uspěly s window.innerHeight */
	      return document.documentElement.clientHeight;
	   else if
	   (document.body && document.body.clientHeight)
	      /* starší MSIE + MSIE6 v quirk režimu */
	      return document.body.clientHeight;
	   else
	      return null;
	}
	
	function init_imgover(imgsrc,imgw,imgh)
	{
		fromtop=document.body.scrollTop;
		e=document.getElementById('ol');
		eio=document.getElementById('io');
		e.className='imgover';
		height=winH();
		bheight=document.body.scrollHeight;
		if (bheight>height) oh=bheight; else oh=height;
		e.style.height=oh;
	
		et=(height-imgh)/2+fromtop-10;	// - border size
		eio.className='imgover-img';
		eio.style.top=et+'px';
		eio.innerHTML='<img src="'+imgsrc+'" alt="" width="'+imgw+'" height="'+imgh+'" border="0" onclick="closeimgover()" id="iim" title="Klikem zavřít obrázek">';
	}
	
	function closeimgover()
	{
		e=document.getElementById('ol');
		eio=document.getElementById('io');
		e.className='imgover-hidden';
		eio.className='imgover-hidden';
	}
//-->