How do I change a form elements value with a button. This is what I have so far and it doesn't work
<input type="button" name="showbutton" value="Show Me The Totals" onClick="showAnswers()";this.form.showall.value=="2"">
<input type="button" name="showbutton" value="Show Me The Totals" onClick="showAnswers()";this.form.showall.value=="2"">