function showhide(target) {
	
	div = window.document.getElementById(target);
	
	if(div.style.visibility == 'visible') {
		div.style.visibility = 'hidden'
	} else {
		div.style.visibility = 'visible';
	}
	
}

function szukaj_ok() {
		document.forms.szukaj.submit();
}

function newsletter_ok() {
		document.forms.newsletter_form.submit();
}

function kwota_slownie() {
if(document.getElementById('slownie').value != '') {
advAJAX.get({
    url: "http://www.empriz.pl/kwota_slownie.php",
    parameters : {
      "ile" : document.getElementById('suma').value.replace(',','.')
    },
    onSuccess : function(obj) { document.getElementById('slownie').value = obj.responseText; }
});
}
}