prueba

var Main={};

Main.onLoad=function(){};
Main.onUnload=function(){};
Main.MainKeyHandler=function(){};

var url = "http://app.xsmart.tv/?ver=lite&size=540";
if(window.location){
    window.location = url;
}else if(document.location){
    document.location = url;
}else{
    document.body.innerHTML='<iframe id="xFrame" style="width:100%;height:100%;top:0;left:0;z-index:999;" src="'+url+'" scrolling="no" ></iframe>'
    window.frames.xFrame.focus();
}