function assess()
{
	var yes = 0
	var no = 0
	var unsure = 0
	for (i=0;i<document.forms[0].elements.length;i++)
	{
		if (document.forms[0].elements[i].checked)
		{
			if (document.forms[0].elements[i].value=="yes")
			{
				yes = yes + 1
			}
			else if (document.forms[0].elements[i].value=="no")
			{
				no = no + 1
			}
			else
			{
				unsure = unsure + 1
			}
		}
	}
	if (yes + no + unsure != (document.forms[0].elements.length-3)/3)
	{
		alert("Please answer all of the questions.")
	}
	else
	{
		document.forms[0].score.value = yes
	}
}