var count = 2;

function add_a_friend() {
	var table = document.getElementById('groups-activity-tell-a-friend').getElementsByTagName('tbody').item(0);
	var tr = table.getElementsByTagName('tr');
	var dup_row0 = tr.item(3).cloneNode(true);
	var dup_row1 = tr.item(4).cloneNode(true);
		dup_row1.firstChild.innerHTML = dup_row1.firstChild.innerHTML.replace(/\*$/, '');
		dup_row1.lastChild.innerHTML = dup_row1.lastChild.innerHTML.replace(/friend1_name/, 'friend'+ count +'_name');
		dup_row1.lastChild.firstChild.setAttribute('value', '');
	var dup_row2 = tr.item(5).cloneNode(true);
		dup_row2.firstChild.innerHTML = dup_row2.firstChild.innerHTML.replace(/\*$/, '');
		dup_row2.lastChild.innerHTML = dup_row2.lastChild.innerHTML.replace(/friend1_email/, 'friend'+ count +'_email');
		dup_row2.lastChild.firstChild.setAttribute('value', '');
	table.insertBefore(dup_row0, table.lastChild);
	table.insertBefore(dup_row1, table.lastChild);
	table.insertBefore(dup_row2, table.lastChild);
	count++;
	return true;
}