var xmlhttp

function showTorneo(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Su navegador no soporta AJAX!");
  return;
  }
var url="/index.php/paginas/cargar/";
url=url+""+str;
url=url+"/"+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function changeTorneoTitle()
{
var myselect=document.myForm1.torneos;
for (var i=0; i < myselect.options.length; i++){
 if (myselect.options[i].selected==true){
  document.getElementById("txtTorneoTitle").innerHTML=myselect.options[i].text;
  //alert("Selected Option's index: "+myselect.options[i].text);
  break;
 }
}
}

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