function strz()
{
 document.getElementById('strz').setAttribute("class", "boxmw1");
 document.getElementById('strz_t').style.display='block';
 
 document.getElementById('kart').setAttribute("class", "boxmw2");
 document.getElementById('kart_t').style.display='none';
 
}

function kart()
{
 document.getElementById('strz').setAttribute("class", "boxmw2");
 document.getElementById('strz_t').style.display='none';
 
 document.getElementById('kart').setAttribute("class", "boxmw1");
 document.getElementById('kart_t').style.display='block';
 
}




function pop()
{
 document.getElementById('pop').setAttribute("class", "boxmw1");
 document.getElementById('pop_t').style.display='block';
 
 document.getElementById('nast').setAttribute("class", "boxmw2");
 document.getElementById('nast_t').style.display='none';
 
}

function nast()
{
 document.getElementById('pop').setAttribute("class", "boxmw2");
 document.getElementById('pop_t').style.display='none';
 
 document.getElementById('nast').setAttribute("class", "boxmw1");
 document.getElementById('nast_t').style.display='block';
 
}





function zdj()
{
 document.getElementById('zdj').setAttribute("class", "boxd1");
 document.getElementById('zdj_t').style.display='block';
 
 document.getElementById('video').setAttribute("class", "boxd2");
 document.getElementById('video_t').style.display='none';
 
}

function video()
{
 document.getElementById('zdj').setAttribute("class", "boxd2");
 document.getElementById('zdj_t').style.display='none';
 
 document.getElementById('video').setAttribute("class", "boxd1");
 document.getElementById('video_t').style.display='block';
}




function art()
{
 document.getElementById('art').setAttribute("class", "boxmw1");
 document.getElementById('art_t').style.display='block';
 
 document.getElementById('wyw').setAttribute("class", "boxmw2");
 document.getElementById('wyw_t').style.display='none';
 
}

function wyw()
{
 document.getElementById('art').setAttribute("class", "boxmw2");
 document.getElementById('art_t').style.display='none';
 
 document.getElementById('wyw').setAttribute("class", "boxmw1");
 document.getElementById('wyw_t').style.display='block';
 
}