// JavaScript Document

 
 
 /* ***************** tlacitko zpet ********************** */  

   
function on_zpet () {
    document.images.zpet.src="obrazky/sipka_zpet_modra.gif";}
function on_vice () {
    document.images.vice.src="obrazky/sipka_vice_modra.gif";}    

function off_zpet() {    
     document.images.zpet.src="obrazky/sipka_zpet_bila.gif";}
function off_vice() {    
     document.images.vice.src="obrazky/sipka_vice_bila.gif";}
 

/* ***************** stavový řádek ********************** */  


function random(n) {
if (js_iseed == 0) {
now = new Date()
js_iseed = now.getHours() + now.getMinutes() * 60 + now.getSeconds() * 3600
}
js_iseed1 = js_iseed / js_m2
js_iseed2 = js_iseed % js_m2
var tmp = (((js_iseed2 * js_mult1 + js_iseed1 * js_mult2) % js_m2) * 
js_m2 + (js_iseed2 * js_mult2)) % js_m1
js_iseed = (tmp + 1) % js_m1
return (Math.floor((js_iseed/js_m1) * n))
}
var str=""
var direction="left"
var js_mult1=3141 
var js_mult2=5821
var js_m1=100000000
var js_m2=10000
var js_iseed=0
var js_iseed1=0
var js_iseed2=0 
msg = ""
dmsg = ""
function doMessage(msg1) {  
if (msg == dmsg) { 
msg=msg1
dmsg = "" 
for (var ii = 0; ii < msg.length; ii++) {
dmsg +=" ";
}
setTimeout('doMessage()',250)
return true
}
var ii = random(msg.length)
var astr = dmsg.substring(0, ii)
var bstr = msg.substring(ii, ii+1)
var cstr = dmsg.substring(ii+1, dmsg.length)
dmsg = astr+bstr+cstr
window.status = dmsg
if (dmsg!=msg) {JSCTimeOutID = window.setTimeout('doMessage()',5)}
  else {window.defaultStatus=dmsg }
return true
}


//* ***************** popisek emailové adresy ********************** */  
var hlaska=1; var vyska=122; 

function ukaz(){   
 cas1=window.setTimeout('ukaz2()',400); 
}

function ukaz2(){ 
 hlaska=1;
  var abc=document.getElementById('posta');       
      abc.style.visibility='visible';
}

function skryj(){
     clearTimeout(cas1);
     cas2=window.setTimeout('skryj2()',200);
}    
     
function skryj2(){
 hlaska=0;
 skryvej_hlasku();  
} 
 
function skryvej_hlasku() {   
  var abc=document.getElementById('posta');
  if (hlaska==0 && vyska>3) {vyska-=2; abc.style.height=vyska+"px";}
  if (vyska<=3) {abc.style.visibility="hidden";vyska=122;abc.style.height="auto";return;} 
  if (hlaska==1) {vyska=122;abc.style.height="auto";return;}  
window.setTimeout('skryvej_hlasku()',10);
} 
 
function cekej(){ 
  var abc2=document.getElementById('cekejte');
      abc2.style.visibility="visible";  
}

function necekej(){
  var abc2=document.getElementById('cekejte');
      abc2.style.visibility="hidden";  
}

/* *************** zamena adresy v hlavicce uvodni stranky *************** */

function zamen_hlavicku() {     
    var hlave1=document.getElementById("hlava1");
        hlave1.style.display="none";       
    var hlave2=document.getElementById("hlava2");
        hlave2.style.display="block";  }