function fAjax()
{ 
	var xmlhttp=false; 
	try 
	{ 
		xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); 
	}
	catch(e)
	{ 
		try
		{ 
			xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); 
		} 
		catch(E) { xmlhttp=false; }
	}
	if (!xmlhttp && typeof XMLHttpRequest!="undefined") { xmlhttp=new XMLHttpRequest(); } 
	return xmlhttp; 
}


function play(clima){
var ajax=fAjax();
	var ventanaSel=clima;
	ajax.open("POST","http://www.yacteka.net/clima.php",true);
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");			
	ajax.send("ventana="+ventanaSel);
	ajax.onreadystatechange = function() 
	{	
		if (ajax.readyState == 1) document.getElementById("clima").innerHTML="Cargando, por favor espere...";
		else if (ajax.readyState == 4) document.getElementById("clima").innerHTML=ajax.responseText;		
	}
}

function play2(setclima){
var ajax=fAjax();
	var ventanaSel=setclima;
	ajax.open("POST","http://www.yacteka.net/clima-set.php",true);
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");			
	ajax.send("ventana="+ventanaSel);
	ajax.onreadystatechange = function() 
	{	
		if (ajax.readyState == 1) document.getElementById("clima").innerHTML="Cargando, por favor espere...";
		else if (ajax.readyState == 4) document.getElementById("clima").innerHTML=ajax.responseText;		
	}
}


function leerCookie()
{ 
var valCookie= ""; 
var buscar= "yclima="; 
if(document.cookie.length > 0) { 
pos=document.cookie.indexOf(buscar); 
if (pos != -1) { 
pos += buscar.length; 
fin= document.cookie.indexOf(";", pos); 
if (fin == -1) 
fin= document.cookie.length; 
valCookie= unescape(document.cookie.substring(pos,fin)) 
} 
} 
return valCookie; 
}