// JavaScript Document

//*******************************************************************
//*                           MAZANIE POLA                          *
//*******************************************************************

function clronclick(idpola,hodnotapola){
    var textpola = hodnotapola;
    var elemid = document.getElementById(idpola); 
    if (elemid.value == textpola){elemid.value="";}
    }
function backclronclick(idpola,hodnotapola){
    var textpola = hodnotapola;
    var elemid = document.getElementById(idpola);
    if (elemid.value == ""){elemid.value=textpola;}
    }
    
//*******************************************************************
//*                           UKAZ SKRYTE                           *
//*******************************************************************
function showhide(e){
    if (document.getElementById(e).style.visibility == 'hidden'){document.getElementById(e).style.visibility = 'visible'; }
    else {document.getElementById(e).style.visibility = 'hidden';}
    }