function CreateRequest() {
    var Request = false;
    if (window.XMLHttpRequest) {
        //Gecko- , Safari, Konqueror
        Request = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) {
        //Internet explorer
        try {
             Request = new ActiveXObject("Microsoft.XMLHTTP");
        }    
        catch (CatchException) {
             Request = new ActiveXObject("Msxml2.XMLHTTP");
        }
    }
    if (!Request) {
        alert("  XMLHttpRequest");
    }
    return Request;
} 	

/*
      
r_method  -  : GET  POST
r_path    -   
r_args    -   a=1&b=2&c=3...
r_handler - -   
*/
function SendRequest(r_method, r_path, r_args, r_handler) {
    // 
    var Request = CreateRequest();
    //    
    if (!Request) {return;}
    
    //  
    Request.onreadystatechange = function() {
        //   
        if (Request.readyState == 4) {
	        if (Request.status == 200) {
	            //   
	            r_handler(Request);
	        } else {
	            //    
	        }
	    } else {
	        //   
	    }
    }
    //,    GET-
    if (r_method.toLowerCase() == "get" && r_args.length > 0)
    r_path += "?" + r_args;
    // 
    Request.open(r_method, r_path, true);
    if (r_method.toLowerCase() == "post") {
        //  POST-
        // 
        Request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=windows-1251");
        // 
        Request.send(r_args);
    }
    else
    {
        //  GET-
        // -
        Request.send(null);
    }
}