$(function(){
	var field = $('.newsletter-form').find('input.email');
	var newsletter_default = 'Podaj e-mail'; 
	if( field.length > 0 ) {
		if( field.val() == '' ) {
			field.val(newsletter_default);
		}
		field.focus(function(){
			if( field.val() == newsletter_default ) {
				field.val('');
			}
		}).blur(function(){
			if( field.val() == '' ) {
				field.val(newsletter_default);
			}
		});
	}
		
});