function createRequestObject() {   
    var ro;   
    var browser = navigator.appName;   
    if(browser == "Microsoft Internet Explorer"){   
        ro = new ActiveXObject("Microsoft.XMLHTTP");   
    }else{   
        ro = new XMLHttpRequest();   
    }   
    return ro;   
}   
  
var http = createRequestObject();   

function sndReq(stile){  
    http.open('get', '/cambiostile.php?stile='+stile);   
    http.onreadystatechange = function() { rispostastile(); }; 
    http.send(null);
} 
function rispostastile() { 
	document.location.reload(); 
}