function $(x)
{
	return document.getElementById(x);
}

function display (e, soabre, mexeclasse, url1, url2, e2)
{
	if (soabre == 1 || (!soabre && e.style.display == 'none'))
	{
		e.style.display = 'block';
		if (e2)
		{
			e2.className = 'ativo';
		}
		if (mexeclasse)
		{
			abreimg (mexeclasse, url1, url2, soabre);
		}
	}
	else if (soabre == 2 || (!soabre && e.style.display == 'block'))
	{
		e.style.display = 'none';
		if (e2)
		{
			e2.className = '';
		}
		if (mexeclasse)
		{
			abreimg (mexeclasse, url1, url2, soabre);
		}
	}
	else if (soabre == 3)
	{
		e.style.display = 'inline';
		if (e2)
		{
			e2.className = 'ativo';
		}
		if (mexeclasse)
		{
			abreimg (mexeclasse, url1, url2, soabre);
		}
	}
	
	return true;
}

function seleciona (id, n, total, display, classe1, classe2)
{
	for (i=1;i<=total;i++)
	{
		if (display == 1)		
		{
			$(id+i).style.display = 'none';
		}
		$(id+i).className = classe2;
	}
	if (n)
	{
		if (display == 1)
		{
			$(id+n).style.display = 'block';
		}
		$(id+n).className = classe1;
	}

	return true;
}

function abre (e)
{
	if (e.className == 'fechada')
		e.className = 'aberta';
	else
		e.className = 'fechada';

	return true;
}

function abreimg (e, url1, url2, soabre)
{
	if ((!soabre && e.src == url1) || soabre == 2)
		e.src = url2;
	else
		e.src = url1;

	return true;
}

function stopPropagation(e) 
{ 
e=e||event; 
e.stopPropagation? e.stopPropagation() : e.cancelBubble=true; 
}

function url2innerHTML (url, id, load)
{
	if (load) $(id).innerHTML = 'Carregando...';
	xmlhttp=new XMLHttpRequest();
	xmlhttp.open("GET", "http://"+window.location.hostname+url);
	xmlhttp.setRequestHeader("Content-Type", "text/plain;charset=iso-8859-1");
	xmlhttp.onreadystatechange = function()
	{
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
		{
			$(id).innerHTML = xmlhttp.responseText;
		}
	}
	xmlhttp.send(null);
} 

function mascara(e,src,mask) {
        if(window.event) {
                _TXT = e.keyCode;
        } else
                if(e.which) {
                _TXT = e.which;
                }
        if(_TXT > 47 && _TXT < 58) {
                var i = src.value.length;
                var saida = mask.substring(0,1);
                var texto = mask.substring(i);

                if(texto.substring(0,1) != saida) {
                        src.value += texto.substring(0,1);
                }
                return true;
        } else {
        if (_TXT != 8) {
        return false;
        } else {
        return true;
        }
        }
}

function generateElement(btn)
{
        valor = btn.name;
       btn.name= (parseInt(valor) + 1);

        local =document.getElementById("areaCursos");
        input= document.createElement("input");
        quebra = document.createElement("br");
        quebra2 = document.createElement("br");
        input.name ="cursos[]";
        local.appendChild(input);
        local.appendChild(quebra);
	local.appendChild(quebra2);
}
function alteraAba(aba, aba2, aba3)
{
    alert(aba);
}