fsb-k, делал быстро, если что пишите
<!DOCTYPE HTML>
<html>
<head> </head>
<body>
<div id="conteiner">
<div class="questions">
<input type = "radio" name=q1 onclick="qa.nowRight = 0">128 Mb;<br>
<input type = "radio" name=q1 onclick="qa.nowRight = 0">327 Mb;<br>
<input type = "radio" name=q1 onclick="qa.nowRight = 0">452 Mb;<br>
<input type = "radio" name=q1 onclick="qa.nowRight = 1">622 Mb;<br>
<input type = "radio" name=q1 onclick="qa.nowRight = 0">842 Mb;<br>
<input type = "button" class="confirm" value="confirm">
</div>
<div class="questions">
<input type = "radio" name=q2 onclick="qa.nowRight = 0">28 Mb;<br>
<input type = "radio" name=q2 onclick="qa.nowRight = 0">327 Mb;<br>
<input type = "radio" name=q2 onclick="qa.nowRight = 0">452 Mb;<br>
<input type = "radio" name=q2 onclick="qa.nowRight = 1">622 Mb;<br>
<input type = "radio" name=q2 onclick="qa.nowRight = 0">842 Mb;<br>
<input type = "button" class="confirm" value="confirm">
</div>
</div>
<script>
function Tests(_container) {
var i = 0;
var qs = document.getElementsByClassName("questions");
for(var j = 1, leng = qs.length; j < leng; j++)
qs[j].style.display = "none";
_container.onclick = function (e){
var target = e.target || event.scrElement;
if(target.className.indexOf("confirm") == -1)return;
next();
}
function next(){
qs[i].style.display = "none";
i++;
qs[i].style.display = "";
}
}
Tests(document.getElementById("conteiner"));
</script>
</body>
</html>