function roundAmount(n) {
	var s = "" + Math.round(n * 100) / 100
	var i = s.indexOf('.')
	if (i < 0) return s + ".00"
	var t = s.substring(0, i + 1) + 
	s.substring(i + 1, i + 3)
	if (i + 2 == s.length) t += "0"
	return t
	}
	
	function calculation() {
	
	var is_member = document.forms["workshop2"].Member.checked;
	var non_member = document.forms["workshop2"].NonMember.checked;
	var w1 = document.forms["workshop2"].W1.checked;
	var w2 = document.forms["workshop2"].W2.checked;
	var w3 = document.forms["workshop2"].W3.checked;
	var w4 = document.forms["workshop2"].W4.checked;
	var cc = document.forms["workshop2"].txtCC.value;
	
	if (cc == 'true')
	{
	intCC = 1.03
	}
	else
	{
	intCC = 1.0
	}
	
	if (w1==true)
	{
	intw1 = 1
	}
	else
	{
	intw1 = 0;
	}
	
	if (w2==true)
	{
	intw2 = 1
	}
	else
	{
	intw2 = 0;
	}

	if (w3==true)
	{
	intw3 = 1
	}
	else
	{
	intw3 = 0;
	}

	if (w4==true)
	{
	intw4 = 1
	}
	else
	{
	intw4 = 0;
	}


	
	if (non_member==true)
	{
	document.forms["workshop2"].Member.checked = false;
	document.forms["workshop2"].NonMember.click
	document.forms["workshop2"].NonMember.checked=true;

	m = 399.5 * intCC;
	}
	
	
	if (is_member==true)
	{
	document.forms["workshop2"].NonMember.checked = false;
	document.forms["workshop2"].Member.click
	document.forms["workshop2"].Member.checked=true;
	
	m = 293.75 * intCC;
	
	}
	
	
	var intTotal = roundAmount(m*(intw1+intw2+intw3+intw4));
	
	if (intTotal==0)
	{
	document.forms["workshop2"].txtTotal.value = '';
	
	}
	else
	{
	document.forms["workshop2"].txtTotal.value = '£' + intTotal;
	
	}
	
	}
	
	function calculation2() {
	
	var is_member = document.forms["workshop2"].Member.checked;
	var non_member = document.forms["workshop2"].NonMember.checked;
	var w1 = document.forms["workshop2"].W1.checked;
	var w2 = document.forms["workshop2"].W2.checked;
	var w3 = document.forms["workshop2"].W3.checked;
	var w4 = document.forms["workshop2"].W4.checked;
	var cc = document.forms["workshop2"].txtCC.value;
	
	if (cc == 'true')
	{
	intCC = 1.03
	}
	else
	{
	intCC = 1.0
	}

	
	if (w1==true)
	{
	intw1 = 1
	}
	else
	{
	intw1 = 0;
	}
	
	if (w2==true)
	{
	intw2 = 1
	}
	else
	{
	intw2 = 0;
	}

	if (w3==true)
	{
	intw3 = 1
	}
	else
	{
	intw3 = 0;
	}

	if (w4==true)
	{
	intw4 = 1
	}
	else
	{
	intw4 = 0;
	}

	
	
	if (non_member==true)
	{
	document.forms["workshop2"].Member.checked = false;
	m = 399.5 * intCC;
	}
	else
	{
	m = 0;
	}
	
	
	var intTotal = roundAmount(m*(intw1+intw2+intw3+intw4));
	
	if (intTotal==0)
	{
	document.forms["workshop2"].txtTotal.value = '';
	
	}
	else
	{
	document.forms["workshop2"].txtTotal.value = '£' + intTotal;
	
	}
	
	}
	
	function refresh() {
	
	//var is_member = document.getElementByID('Member').checked;
	//var non_member = document.getElementByID('NonMember').checked;
	//var w1 = document.getElementByID('Jan08').checked;
	//var w2 = document.getElementByID('Nov08').checked;
	//var w3 = document.getElementByID('Oct08').checked;
	//var w4 = document.getElementByID('Jan09').checked;	
	
	var is_member = document.forms["workshop2"].Member.checked;
	var non_member = document.forms["workshop2"].NonMember.checked;
	var w1 = document.forms["workshop2"].W1.checked;
	var w2 = document.forms["workshop2"].W2.checked;
	var w3 = document.forms["workshop2"].W3.checked;
	var w4 = document.forms["workshop2"].W4.checked;
	var cc = document.forms["workshop2"].txtCC.value;
	
	if (cc == 'true')
	{
	intCC = 1.03
	}
	else
	{
	intCC = 1.0
	}
	
	
	
	
	if (w1==true)
	{
	intw1 = 1;
	}
	else
	{
	intw1 = 0;
	}
	
	if (w2==true)
	{
	intw2 = 1;
	}
	else
	{
	intw2 = 0;
	}

	if (w3==true)
	{
	intw3 = 1;
	}
	else
	{
	intw3 = 0;
	}

	if (w4==true)
	{
	intw4 = 1;
	}
	else
	{
	intw4 = 0;
	}

	if (non_member==true)
	{
	document.forms["workshop2"].Member.checked = false;
	document.forms["workshop2"].NonMember.click
	document.forms["workshop2"].NonMember.checked=true;

	m = 399.5 * intCC;
	}

	
	else if (is_member==true)
	{
	document.forms["workshop2"].NonMember.checked = false;
	document.forms["workshop2"].Member.click
	document.forms["workshop2"].Member.checked=true;
	
	m = 293.75 * intCC;
	
	}
	else
	{
	m = 0;
	}
	
	
	var intTotal = roundAmount(m*(intw1+intw2+intw3+intw4));
	
	if (intTotal==0)
	{
	document.forms["workshop2"].txtTotal.value = '';
	
	}
	else
	{
	document.forms["workshop2"].txtTotal.value = '£' + intTotal;
	
	}

	}