var counter = 0;

	function copy(id)
	{
		var tr = document.getElementById(id);
		var th = document.getElementById(id+'h');
		
		var table = tr.parentNode;
		var opera =(navigator.userAgent.indexOf("Opera")>-1)?1:0

		var next = tr.cloneNode(true);
		counter++;
		next.id = id + '_' + counter;
		
		th.style.display = (document.all)? 'block' : 'table-row';
		if (opera) th.style.display = 'table-row';

		next.style.display = (document.all)? 'block' : 'table-row';
		if (opera) next.style.display = 'table-row';
		
//		next.style.display = 'block';
//		next.style.display = 'table-row';
		var newNode = table.appendChild(next);
		return false;
	}

	function dell(select)
	{
		if (select.value != 'dell') return;
		var td = select.parentNode;
		var tr = td.parentNode;
		var table = tr.parentNode;
		table.removeChild(tr);		
	}