// JavaScript Document

var xmlhttp

function showHint(str)
{
	
if (str.length==0)
  {	
  document.getElementById("sugestion").style.display="none";
  document.getElementById("listSuggestions").innerHTML="";
  return;
  }
  else
  {
	document.getElementById("sugestion").style.display="block";//mostra sugestões se houver caracteres no input  
  }
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }
var url="/prefeitura/pesquisa/php/getSuggestions.php";
url=url+"?q="+str;
url=url+"&sid="+Math.ceil();
xmlhttp.onreadystatechange=stateChanged;//chama função mudança de estado
xmlhttp.open("GET",url,true);//abre dados via GET
xmlhttp.send(null);//envia dados via GET
}

function stateChanged()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("listSuggestions").innerHTML=xmlhttp.responseText;
  }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}