function $(id) {
    if(typeof(id)==typeof('abc')) {
		return document.getElementById(id);
    }
    return id;
}

function trim(s) {
    return s.replace(/^\s+/g,'').replace(/\s+$/g,'');
}

function setVisible(id, v) {
    var e=$(id);
    if(!e) return;
    if(v) {
		e.style.visibility = "visible";
    } else {
		e.style.visibility = "hidden"
    }
}

function toggleVisible(id) {
    var e=$(id);
    if(!e) return;
    if(e.style.visibility == "hidden") {
		e.style.visibility = "visible";
    } else {
		e.style.visibility = "hidden"
    }
}

function checkForm(mezok) {
	var i,m,v;
	for(i in mezok) {
		m=$(mezok[i]);
		v=m.value;
		if(v===null || trim(v)=='') {
			alert(trans['hianyos_urlap']);
			if(m.focus) m.focus();
			return false;
		}
	}
	return true;
}

function checkPassword(jm1, jm2) {
	var m1=$(jm1);
	var m2=$(jm2);
	if(m1.value!=m2.value) {
		alert(trans['jelszavak_nem_egyeznek']);
		m1.value='';
		m2.value='';
		if(m1.focus) m1.focus();
		return false;
	}
	if(m1.value.length<8) {
		alert(trans['jelszo_tul_rovid']);
		if(m1.focus) m1.focus();
		return false;
	}
	return true;
}

function jelszomodositasAdmin(admin) {
	$('jelszomodositas').style.display=admin?'none':'';
	$('jelszomodositas_admin').style.display=admin?'':'none';
}