function submitFormVNNS(){if (document.f1.q.value=="")return false;}
///document.write("<form action='http://bigc24h.com/Products.aspx?' name='f1' target='_blank'>");
document.write("<a href='http://thienma.vn' target='_blank' title='Thiết kế website giá rẻ' alt='Thiết kế website giá rẻ'><img src='http://phanmemtracnghiem.com/Quang_cao/Dien-thoai.gif'  width='286' height='115' border='0'/></a><br />");
//document.write("<input type='text' name='tk' size='35' title='Nh&#7853;p t&#7915; kho&#225; mu&#7889;n t&#236;m ki&#7871;m '/> ");
//document.write("<input type='submit' name='tim' id='tim' value='Tìm kiếm' style='border: 1px solid #333333;' onclick='return submitFormbc();'/><br />");
//document.write("V&iacute; d&#7909;: Dell, Acer, Sony, Samsung, Toshiba  , Lenovo, Nokia.... ");
//document.write("</form>");