var ajax;
var id;

function createXMLHttpRequest()
{  
    var browser = navigator.appName; 
    if (browser == "Microsoft Internet Explorer")
	{ 
        ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
    }
	else
	{ 
        ajax = new XMLHttpRequest(); 
    }  
}

function startRequest(method, url)
{
	createXMLHttpRequest();
	ajax.onreadystatechange = parseInfo;
	ajax.open(method, url);
    ajax.send(null); 
}

function parseInfo()
{ 
	if(ajax.readyState == 4)
	{ 
        id.innerHTML = ajax.responseText;
    } 
}

function launch(method, url, _id)
{
	id = document.getElementById(_id);
    startRequest(method, url);
}