function hide1()
  {
show = "<span class='mini' onMouseOut='show1();'>W przygotowaniu</span>";
document.getElementById("portfolio").innerHTML = show;
  }

function hide2()
  {
show = "<span class='mini' onMouseOut='show2();'>W przygotowaniu</span>";
document.getElementById("sklep").innerHTML = show;
  }

function hide3()
  {
show = "<span class='mini' onMouseOut='show3();'>W przygotowaniu</span>";
document.getElementById("download").innerHTML = show;
  }

function hide4()
  {
show = "<span class='mini' onMouseOut='show4();'>W przygotowaniu</span>";
document.getElementById("oferta").innerHTML = show;
  }

function hide5()
  {
show = "<span class='mini' onMouseOut='show5();'>W przygotowaniu</span>";
document.getElementById("kontakt").innerHTML = show;
  }	

function show1()
  {
show = "<a href='#' onMouseOver='hide1();'>portfolio</a>";
document.getElementById("portfolio").innerHTML = show;
  }

function show2()
  {
show = "<a href='#' onMouseOver='hide2();'>sklep</a>";
document.getElementById("sklep").innerHTML = show;
  }

function show3()
  {
show = "<a href='#' onMouseOver='hide3();'>download</a>";
document.getElementById("download").innerHTML = show;
  }

function show4()
  {
show = "<a href='#' onMouseOver='hide4();'>oferta</a>";
document.getElementById("oferta").innerHTML = show;
  }

function show5()
  {
show = "<a href='#' onMouseOver='hide5();'>kontakt</a>";
document.getElementById("kontakt").innerHTML = show;
  }