/*
JavaScript Ajax
Copyright (C) 2009 Aptus s.c.
All rights reserved
*/

function dlg_url(u)
{
	if(typeof(u)=='object'){
		var s=u[0];
		if(typeof(u[1])=='object'){
			var k;
			var sp='?';
			for(k in u[1]){
				s+=sp+encodeURIComponent(k)+'='+encodeURIComponent(u[1][k]);
				sp='&';
			}
		}
		if(typeof(u[2])!='undefined')
		s+='#'+u[2];
		return s;
	}
	return u;
}

function onLoading(output)
{
	document.getElementById(output).innerHTML="<img src='/i/ajax_loader.gif' alt='Wczytywanie...'/>";
}

function onSuccess(responseText,output)
{
	document.getElementById(output).innerHTML=responseText;
}

function onError(nr,output)
{
	document.getElementById(output).innerHTML=("Wystąpił błąd podczas przetwarzania pliku o numerze " + nr + '.');
}

function dlg_get(url,val,output)
{
	var ajax;
	
	try{
		ajax=new XMLHttpRequest();
	}
	catch(e){
		// IE
		try{
			ajax=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e){
			try{
				ajax=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){
				//return false;
			}
		}
	}
	url = dlg_url(url);
	ajax.onreadystatechange = function(){
		if (ajax.readyState == 1){
			onLoading(output);
		}
		if (ajax.readyState == 4){
			if (ajax.status == 200){
				onSuccess(ajax.responseText,output);
			}
			else{
				onError(ajax.status,output);
			}
		}
	}
	ajax.open("GET",url,true);
	ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	ajax.send(val);    
}