function GetOb(id)
{
	if (document.getElementById)
	{
		return eval("document.getElementById('"+id+"')");
	}
	elseif(document.all)
	return eval("document.all['"+id+"']");
}
function BuyPrint(select, active)
{
	if (active)
	{
		chBox = GetOb(select);

		if (chBox)
		{
			chBox.checked = true;
			select=false;
		}
	}
        	
	var elts = document.BuyPrintList.elements['buy[]'];
	var elts_cnt =(typeof(elts.length)!='undefined') ? elts.length : 0;
	var id_items = '';
	var counter=0;

	if (elts_cnt)
	{
		for (var i=0; i<elts_cnt; i++)
		{
			if (elts[i].type == "checkbox")
			{
				if (select)
				{
					elts[i].checked = true;
				}
				else
				{
					if (elts[i].checked)
					{
						if (counter>0)
							id_items = id_items + '-';
							counter++;
							id_items = id_items + elts[i].value;
					}
				}
			}
		}
	}
	if (select)
	{
		return;
	}

	window.open('/?action=buy_print&buy_list_id=' + id_items, 'buytools', 'width=850, height=600, toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars=1, resizable=1'); 
}