function search_change(){


	if(document.getElementById('select_a').checked == true)
	{
	document.getElementById('search_a').style.display = '';
	document.getElementById('search_b').style.display = 'none';
	}
	
	if(document.getElementById('select_b').checked == true)
	{
	document.getElementById('search_a').style.display = 'none';
	document.getElementById('search_b').style.display = '';
	}
	

}

function show_big(numer)
{
	if(numer==1)
	{
	document.getElementById('big_1').style.display = '';
	document.getElementById('big_2').style.display = 'none';
	document.getElementById('big_3').style.display = 'none';
	document.getElementById('big_4').style.display = 'none';
	}
	if(numer==2)
	{
	document.getElementById('big_1').style.display = 'none';
	document.getElementById('big_2').style.display = '';
	document.getElementById('big_3').style.display = 'none';
	document.getElementById('big_4').style.display = 'none';
	}
	if(numer==3)
	{
	document.getElementById('big_1').style.display = 'none';
	document.getElementById('big_2').style.display = 'none';
	document.getElementById('big_3').style.display = '';
	document.getElementById('big_4').style.display = 'none';
	}
	if(numer==4)
	{
	document.getElementById('big_1').style.display = 'none';
	document.getElementById('big_2').style.display = 'none';
	document.getElementById('big_3').style.display = 'none';
	document.getElementById('big_4').style.display = '';
	}
}

function flash(nazwa,width,height,tryb,bgcolor)
	{
	if (AC_FL_RunContent == 0) 
		{
		alert("This page requires AC_RunActiveContent.js.");
		} 
	else 
		{
		AC_FL_RunContent(
			'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0',
			'width', width,
			'height', height,
			'src', 'flash/'+nazwa,
			'quality', 'high',
			'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
			'align', 'middle',
			'play', 'true',
			'loop', 'true',
			'scale', 'showall',
			'wmode', tryb,
			'bgcolor', bgcolor,
			'devicefont', 'false',
			'id', nazwa,
			'name', nazwa,
			'menu', 'false',
			'allowFullScreen', 'false',
			'allowScriptAccess','sameDomain',
			'movie', 'flash/'+nazwa,
			'salign', ''
			); //end AC code
		}
	}
function write_mhref(user, domain, text)
{
	var at = '@';
	var mail = user + at + domain;
	document.write("<a href='mailto:" + mail + "' title='Napisz do nas'>" + ( text == undefined ? mail : text ) + "</a>");
}