/*
  COOKIES
*/

function createCookie(name,value,hours) {
	if (hours) {
		var date = new Date();
		date.setTime(date.getTime()+(hours*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function inspect(obj) {
  obj = eval(obj);
  var temp = "";
  for (x in obj) temp += x + ": " + obj[x] + "\n";
  //document.write(temp);
  alert(temp);
}

/*
  CARRINHO
*/

//var itens = 0;
var total = 0;

function atualizaCarrinho() {
  //inspect(document);
  if (document.Lista) {
    //inspect(document.Lista);
    total = document.Lista['ValorProd'].value;
    createCookie('total', total, 2);  
  }else{
    total = readCookie('total');
  }
  if (total==null) total = 0;
  if (total.indexOf(',')==-1) total = total + ",00";
  document.getElementById('totalcar').innerHTML = "Total: <strong>R$ " + total + "</strong>";
}