$(function() {
  $('a.lightbox').lightBox();
});



var alreadyCleaned = false;
function clearDefaultString(object)
            {
                if (!alreadyCleaned)
                {
                    object.value = '';
                    alreadyCleaned = true;
                }

                return false;
            }

function kontakt(frm) {

					if (frm.email.value=="" ||  frm.email.value.indexOf('@', 0) == -1) {
					document.getElementById('mailere').innerHTML="nie poprawny e-mail<br />";
					return false;
					}
					else { document.getElementById('mailere').innerHTML=""; }
}