$(document).ready(function() {
    $('.slideshow').cycle({
		fx: 'fade' // choose your transition type, ex: fade, scrollUp, shuffle, etc...
	});
});

function pokaz(id)
{
	element=document.getElementById(id);
	
	if(element.style.display=='none')
		element.style.display='block';
	else 
		element.style.display='none';

}