//pobiera obiekt
function _geb (id){
	if (!document.getElementById (id))
	return false;
	else
	return document.getElementById (id);
}

function edit(id, edit){
advAJAX.post({
    url: '?page=admin',
	parameters : {
		"txt" : _geb(id).innerHTML,
		"edit" : edit,
		"id" : id
	},
    onSuccess : function(obj) {
    	_geb(id).innerHTML = obj.responseText,
    	_geb('cpanel').style.visibility="visible",
    	_geb('cpanel').style.position="relative";
    },
    onError : function(obj) { alert("Error: " + obj.status); },
});
}

function anuluj(id, txt){
advAJAX.post({
    url: '?page=admin',
	parameters : {
		"txt" : _geb(id).innerHTML = txt,
		"edit" : 0,
		"id" : id
	},
    onSuccess : function(obj) {
    	_geb('cpanel').style.visibility="hidden",
    	_geb('cpanel').style.position="absolute",
    	_geb(id).innerHTML = obj.responseText;

    },
    onError : function(obj) { alert("Error: " + obj.status); },
});
}

function zapisz(id, area){
advAJAX.post({
    url: '?page=admin',
	parameters : {
		"txt" : _geb(area).value,
		"edit" : 0,
		"id" : id
	},
    onSuccess : function(obj) {
    	_geb('cpanel').style.visibility="hidden",
    	_geb('cpanel').style.position="absolute",
    	_geb(id).innerHTML = obj.responseText;
    },
    onError : function(obj) { alert("Error: " + obj.status); },
});
}

function zmiana_tla(co, jak){
	if(jak == 1){
	document.getElementById(co).style.backgroundImage = "url(jpg/1024x768/"+co+".jpg)"; 
	}
	else{
	document.getElementById(co).style.backgroundImage = "none"; 
	}
}