<script>
function Setup() {
obj = document.getElementById("submit");
obj.onclick = Functions;
}

function Functions()
{
HideSubmit();
Time();
}

function HideSubmit() {
obj = document.getElementById("submit");
obj.style.display = "none";
}

function Time(i) {
if (!i) var i = 5;
obj2 = document.getElementById("clock");
obj2.firstChild.nodeValue = "Czekaj: " + i + " sekund";
i--;
setTimeout("Time("+i+")", 1000);
if (i == 0){
window.location="";
}
}

window.onload = function(){Setup();};
</script>
<input type="submit" id="submit" value="Click!" /><br />
<span id="clock">Kliknij</span>