function rollover(obj) 
{
	obj.src = Left(obj.src, obj.src.length-5) + '1.gif';
}

function rollout(obj) 
{
	obj.src = Left(obj.src, obj.src.length-5) + '0.gif';
}

function Left(str, n)
{
	if (n <= 0)
		return "";
	else if (n > String(str).length)
		return str;
	else
		return String(str).substring(0,n);
}

function Right(str, n)
{
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else {
	    var iLen = String(str).length;
	    return String(str).substring(iLen, iLen - n);
	}
}

var name = "";
var phone = "";
var email = "";
var obs = "";

function clearName(el) { if (el.defaultValue==el.value || el.value=="Name..." || el.value=="Nome...") { name = el.value; el.value = ""; } }
function refillName(el){ if (el.value=="") el.value = name; }
function clearPhone(el) { if (el.defaultValue==el.value || el.value=="Phone..." || el.value=="Telefone...") { phone = el.value; el.value = ""; } }
function refillPhone(el){ if (el.value=="") el.value = phone; }
function clearEmail(el) { if (el.defaultValue==el.value || el.value=="E-mail...") { email = el.value; el.value = ""; } }
function refillEmail(el){ if (el.value=="") el.value = email; }
function clearObs(el) { if (el.defaultValue==el.value || el.value=="Text..." || el.value=="Texto...") { obs = el.value; el.value = ""; } }
function refillObs(el){ if (el.value=="") el.value = obs; }

var hidden = true;
function toggleCats()
{
    if(hidden) showCats();
    else
    {
        document.getElementById("leftCats").style.visibility = "hidden";
        hidden = true;
    }
}

function showCats()
{
        document.getElementById("leftCats").style.visibility = "visible";
        hidden = false;
}