function _$($item){
	$item = document.getElementById($item);
	return $item;
}
function pesquisa(valor, urlr, qid, msg)
{
url=urlr+valor;
jcvF(url, qid, msg);
}

function jcvF(url, QID, msg)
{
	this.QID = QID;
	this.msg = msg;
	ajax(url);

}

function ajax(url){
	  req = null;
      if (window.XMLHttpRequest) {
      req = new XMLHttpRequest();
      req.onreadystatechange = processReqChange;
      req.open("GET",url,true);
      req.send(null);
 	  }
	  else if (window.ActiveXObject) {
      req = new ActiveXObject("Microsoft.XMLHTTP");
     	 if (req) {
      	req.onreadystatechange = processReqChange;
		req.setRequestHeader("'Content-Type', 'application/x-www-form-urlencoded'");
  		req.open("GET",url,true);
		req.send();
      	}

      }
}
function processReqChange(){
	document.getElementById(QID).innerHTML = "<div id='loadingAjax'>"+msg+"</div>";
      if (req.readyState == 4) {
		  if (req.status ==200) {
			 document.getElementById(QID).innerHTML = req.responseText;
     		 }
		  else {
		      document.getElementById(QID).innerHTML = "ERRO: Falha ao executar a requisição";
      		}

      }

}