$(document).ready(function(){
	$('.js_popup').click(function(e){
		e.preventDefault();
		var href = $(this).attr('href');
		var win = window.open(href, 'Certyfikaty', 'toolbar=no,scrollbars=no,location=no,statusbar=no,menubar=no,resizable=no,width=433,height=630');
	});
});