function checkemail()
	{
		if(document.fx.email.value == '' || document.fx.email.value == 'wpisz adres e-mail') {
			alert("Wpisz adres e-mail!");
			var t = document.fx.email;
			t.focus();
			return false;
		}
		if(document.fx.a.value == '') {
			alert("Wybierz co chcesz zrobiæ!");
			var t = document.fx.a;
			t.focus();
			return false;
		}
	}
function rezerwacja(id, width, height,tabela) {
        var Win = window.open('bookmark.php?id=' + id +'&tabela='+tabela+ '',"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no,margin=0,statusbar=1' );
}
function download(width, height) {
        var Win = window.open('pobieralnia.php',"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no,margin=0,statusbar=1' );
}