//Ajax/*/*******************************/

var xhReqTree = createXMLHttpRequest();

function createXMLHttpRequest() {
   try { return new XMLHttpRequest(); } catch(e) {}
   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
   try { return window.createRequest(); } catch (e) {}
   alert("XMLHttpRequest not supported");
   return null;
}


function agregarPestana(idProceso,aux)
{    
	SendAjax("getSelectedSearch.aspx?id=" + idProceso+"&aux="+aux, validarEstado);
}

function SendAjax(url,f) {
    url = url + "&randomnumber=" + Math.random()*5;
    xhReqTree.open("GET", url, true); 
    xhReqTree.onreadystatechange = f;
    xhReqTree.send(null);
}

function validarEstado() 
{
    if (xhReqTree.readyState != 4)  { return; }    
    var serverResponse = xhReqTree.responseText;   
}