var campo_select;

//*******************************************************************
// Determinar o browser
//*******************************************************************
function Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isOP    = false;  // Opera
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "Opera";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isOP = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as Netscape 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }

  s = "MSIE";
  if ((i = ua.indexOf(s))) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
}

var browser = new Browser();
//*******************************************************************
// Determinar o browser
//*******************************************************************


//*******************************************************************
//Função fecha select
//*******************************************************************
function pageMousedown(event){
	
	var obj;

	if (browser.isIE)
      	obj = window.event.srcElement;
	else
    		obj = (event.target.tagName ? event.target : event.target.parentNode);
		
	
	while (obj.tagName == 'IMG' || obj.tagName == 'A' || obj.tagName == 'LI'){
		obj = obj.parentNode;
	}
	
	if (obj.parentNode.id == campo_select.id)
		return;
		
	campo_select.style.display = 'none';
}
//*******************************************************************
//Função fecha select
//*******************************************************************

	
//************************************************
//Funções utilizadas no select do acesso rapido
//************************************************
function buscaTrocaSecao(disparador,alvo,label,value, hidden, form) {
	var campo = document.getElementById(alvo); 
	var lista = document.getElementById(disparador); 
	var busca_secao = document.getElementById(hidden);
	campo.innerHTML = label;
	busca_secao.value = value;
	lista.style.display = 'none';
	if(form)
		document.getElementById(form).submit();
}

function buscaAbreSelect(field) {
	
	campo_select = document.getElementById(field);
	campo_select.style.display=(campo_select.style.display == 'none' || campo_select.style.display == '')?'block':'none';

	if (browser.isIE){
		document.onmousedown = pageMousedown;
	}
	else {
		document.addEventListener("mousedown", pageMousedown, true);
	}

}
//************************************************
//Funções utilizadas no select do acesso rapido
//************************************************


//*******************************************************************
//Funções utilizadas no select do pedidos de compra dos produtos
//Esta função interage com o ajax para setar o valor na seção 
//*******************************************************************
function buscaTrocaSecaoCompra(disparador,alvo,label,value, hidden) {
	var campo = document.getElementById(alvo); 
	var lista = document.getElementById(disparador); 
	var busca_secao = document.getElementById(hidden);
	campo.innerHTML = label;
	busca_secao.value = value;
	lista.style.display = 'none';
	ajaxSetaSessaoQuantidade(label,value);

}

function buscaAbreSelectCompra(field) {
	var campo = document.getElementById(field);
	campo.style.display=(campo.style.display == 'none' || campo.style.display == '')?'block':'none';
}
//*******************************************************************
//Funções utilizadas no select do pedidos de compra dos produtos
//*******************************************************************