Javascript Form

gistfile1.html

<form>
Name:  <Input type="textbox" name="name" /> <br />
Check box if you're alive:  <Input type="checkbox" name="alive" /> <br />
  <Input type="submit" name="submit" value="we win click!" onClick="pulse(form)" />
</form>

<script type="text/javascript">

function pulse(data){

console.log(data);

var isAlive = document.form.getElementByName(alive).checked;

var name = document.form.getElementByName(name).value;


if (isAlive) 
  {
  alert("Thank goodness you're alive," + name);
  }
    else
      {
      alert("Oh, no!" + name + "Don't die!");
      }
}

</script>