var xmlHttp

function eval_msj(pag){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	            document.getElementById("chat_mensaje").innerHTML=xmlHttp.responseText;
        }
     };
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function eval_titulo(pag){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	            document.getElementById("chat_encabezado").innerHTML=xmlHttp.responseText;
        }
     };
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function eval_usuario(pag){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	            document.getElementById("chat_usuario").innerHTML=xmlHttp.responseText;
        }
     };
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function eval_sala(pag){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	            document.getElementById("chat_sala").innerHTML=xmlHttp.responseText;
        }
     };
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function eval_envio(pag,msj,color){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	           return;
        }
     };
  
  xmlHttp.open("POST",url,true)
  xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
  xmlHttp.send("msj="+msj+"&cl="+color)
}

function eval_csala(pag){ 
    var xmlHttp=null;

  // Firefox, Opera 8.0+, Safari
  try{xmlHttp=new XMLHttpRequest();}

  catch (e){
    //Internet Explorer
    try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
 
    catch (e)
    {xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
  }

  if (xmlHttp==null){
   alert ("Necesita habilitar HTTP Request en su browser")
   return
  } 
  
  var url=pag;

  xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
	            return;
        }
     };
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}