function showhide(layer_ref,notstate,state,notprikaz,prikaz) {
document.getElementById("latest-post1").style.visibility= notstate;
document.getElementById("latest-post2").style.visibility= notstate;
document.getElementById("latest-post3").style.visibility= notstate;
document.getElementById("latest-post4").style.visibility= notstate;
document.getElementById("latest-post5").style.visibility= notstate;
document.getElementById("latest-postfilm").style.visibility= notstate;
document.getElementById("latest-postmrizadecu").style.visibility= notstate;
document.getElementById("latest-postfoto").style.visibility= notstate;
document.getElementById("latest-postpdf").style.visibility= notstate;

document.getElementById("latest-post1").style.display= notprikaz;
document.getElementById("latest-post2").style.display= notprikaz;
document.getElementById("latest-post3").style.display= notprikaz;
document.getElementById("latest-post4").style.display= notprikaz;
document.getElementById("latest-post5").style.display= notprikaz;
document.getElementById("latest-postfilm").style.display= notprikaz;
document.getElementById("latest-postmrizadecu").style.display= notprikaz;
document.getElementById("latest-postfoto").style.display= notprikaz;
document.getElementById("latest-postpdf").style.display= notprikaz;

document.getElementById(layer_ref).style.visibility= state;
document.getElementById(layer_ref).style.display= prikaz;
}