function test()
{
 document.getElementById("wiecej").style.visibility = "hidden";
 document.getElementById("osoby_odp").style.visibility = "visible";
 document.getElementById("main_td").style.height = "80";
 document.getElementById("osoby_odp_tab").style.borderCollapse = "collapse";
}

function test2()
{
 document.getElementById("wiecej").style.visibility = "visible";
 document.getElementById("osoby_odp").style.visibility = "hidden";
 document.getElementById("main_td").style.height = "20";
}