function abrirLink(Link,Janela){

W = 800; //largura da sua janela
H = 600; // altura da sua janela
w = (screen.width/2)-(W/2+5) ;
h = (screen.height/2)-(H/2+35);
search = window.open(""+Link+"" , ""+Janela+"", "height="+H+" , width="+W+" , top="+h+" , left="+w+"")
}

function clickTag(idAnuncio){
  http.open("GET", "clickTag/?idAnuncio="+idAnuncio, true);
  http.onreadystatechange = handleHttpResponse;
  http.send(null);
}

function handleHttpResponse(){
  
  	if (http.readyState == 4) {
    	results = http.responseText.split("|");
		abrirLink(results[0], results[1]);
  	}
}

function getHTTPObject(){
  var xmlhttp;

  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch(e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject();