function avisaproduto(IdProduto)
{
	window.open('avisa_produto.php?IdProduto='+IdProduto,'avisa_produto'+IdProduto,'width=300,height=180');
}

function cod_transacao(parc)
{
	if(parc == 1)
	{
		document.getElementById('TRANSACAO').value = '04';
	} else {
		document.getElementById('TRANSACAO').value = '08';
	}
}

function dopost(that) {
	
	if(document.getElementById('cvisa').checked == true)
		that.action = 'pgto.php';
	
	return true;
}

function validar(form) { 

key = document.formulario.query.value;
if (key == "") {
alert("Coloque uma palavra para fazer a busca.");
formulario.query.focus();
return false;
}
}

function number_format (number, decimals, dec_point, thousands_sep)
{
  var exponent = "";
  var numberstr = number.toString ();
  var eindex = numberstr.indexOf ("e");
  if (eindex > -1)
  {
    exponent = numberstr.substring (eindex);
    number = parseFloat (numberstr.substring (0, eindex));
  }
  
  if (decimals != null)
  {
    var temp = Math.pow (10, decimals);
    number = Math.round (number * temp) / temp;
  }
  var sign = number < 0 ? "-" : "";
  var integer = (number > 0 ? 
      Math.floor (number) : Math.abs (Math.ceil (number))).toString ();
  
  var fractional = number.toString ().substring (integer.length + sign.length);
  dec_point = dec_point != null ? dec_point : ".";
  fractional = decimals != null && decimals > 0 || fractional.length > 1 ? 
               (dec_point + fractional.substring (1)) : "";
  if (decimals != null && decimals > 0)
  {
		if(dec_point=='') campo1=0; else campo1 =1;
		
    for (i = fractional.length - campo1, z = decimals; i < z; ++i)
      fractional += "0";
  }
  
  thousands_sep = (thousands_sep != dec_point || fractional.length == 0) ? 
                  thousands_sep : null;
  if (thousands_sep != null && thousands_sep != "")
  {
	for (i = integer.length - 3; i > 0; i -= 3)
      integer = integer.substring (0 , i) + thousands_sep + integer.substring (i);
  }
  
  return sign + integer + fractional + exponent;
}

function atualizafrete(valor,frete,i)
{
	var val = parseFloat(valor) + parseFloat(frete);
	val1 = number_format(val,2,',','.');
	val2 = number_format((parseFloat(frete)/i),2,'','.');
	document.getElementById('totalfrete').innerHTML = '<b>R$ '+val1+'</b>';
	document.getElementById('item_frete_1').value = val2;
}

function openimg(src)
{
	var src = src.split(/\//);
	var src = src[(src.length-1)];
	var src = src.split(/\./);
	var src = src[0] + '_ma.' + src[1];
	window.open('img_produtos/'+src,'_blank');
}

function MudaImagem(mais)
{
	if(mais=='+')
	var id = parseInt(document.getElementById('imgatual').value) + 1;
	else
	{
		if(document.getElementById('imgatual').value==1) var id = document.getElementById('imgmax').value;
		else var id = parseInt(document.getElementById('imgatual').value) - 1;
	}
	
	if(!document.getElementById('img_'+id))
	{
		var id = 1;
		document.getElementById('imgatual').value = 1;
	}
	else
	{
		if(mais=='+')
		document.getElementById('imgatual').value = parseInt(document.getElementById('imgatual').value) + 1;
		else
		{
			if(document.getElementById('imgatual').value==1)
			document.getElementById('imgatual').value = document.getElementById('imgmax').value;
			else
			document.getElementById('imgatual').value = parseInt(document.getElementById('imgatual').value) - 1;
		}
	}
	
	var src = document.getElementById('img_'+id).value;
	document.getElementById('ImagemPrincipal').src = "img_produtos/"+src;
}
function Password()
{
	window.open('ChangePassword.php','Passwd','width=250, height=150');
	return;
}

function abremenu()
{
	if(document.getElementById('menubusca').style.display=='none')
		 document.getElementById('menubusca').style.display = 'block';
	else
		 document.getElementById('menubusca').style.display = 'none';
}

function seleciona_busca(id_categoria,nome_categoria)
{
	document.getElementById('nomecategoriabusca').innerHTML = nome_categoria;
	document.getElementById('menubusca').style.display = 'none';
	document.getElementById('Categoria').value = id_categoria;
}