function updateCart() {
   $('formAction').value = 'updateCart';
   $('mainForm').submit();
}

function ShippingToBilling() {
  $('b_firstname').value = $F('firstname');
  $('b_lastname').value = $F('lastname');
  $('b_business').value = $F('business');
  $('b_address').value = $F('address');
  $('b_address2').value = $F('address2');
  $('b_city').value = $F('city');
  $('b_state').value = $F('state');
  $('b_zip').value = $F('zip');
  $('b_phone').value = $F('phone');
  $('b_email').value = $F('email');
}

function copyShippingToBilling() {
  $('bill_name_first').value = $F('ship_name_first');
  $('bill_name_last').value = $F('ship_name_last');
  $('bill_company').value = $F('ship_company');
  $('bill_address1').value = $F('ship_address1');
  $('bill_address2').value = $F('ship_address2');
  $('bill_city').value = $F('ship_city');
  $('bill_state').value = $F('ship_state');
  $('bill_postal_code').value = $F('ship_postal_code');
  $('bill_country').value = $F('ship_country');
  $('bill_phone').value = $F('ship_phone');
  $('bill_email').value = $F('ship_email');
}

function highlight(field) {
       field.focus();
       field.select();
}

function iFrameHeight() {
	var h = 0;
	if ( !document.all ) {
		h = document.getElementById('blockrandom').contentDocument.height;
		document.getElementById('blockrandom').style.height = h + 60 + 'px';
	} else if( document.all ) {
		h = document.frames('blockrandom').document.body.scrollHeight;
		document.all.blockrandom.style.height = h + 20 + 'px';
	}
}