function removeItems()
{
	var pf = document.getElementById('page_function');
	pf.value = 'remove';
	
	var response = confirm('Are you sure you want to remove these items?');
	
	var form = document.getElementById('shopping_cart_form');
	if (response) {
		form.submit();
	} else {
		clearCheckBoxes();
	}
}

function clearCheckBoxes()
{
	var cb = document.getElementsByTagName('input');
	
	for (i = 0; i < cb.length; i++) {
		key = cb[i].name;
		if (key.substr(0,7) == 'remove_' && cb[i].checked) {
			cb[i].checked = false;
		}
	}
}