var p=0;
var ajax = null;

function loading() {
	var e = document.getElementById(ajax.element); 
	e.innerHTML = "<img src='skins/_images/ajax-loader-big.gif' border='0'>";
}
function goup() {
	if (p>1) p=p-1;
	getplaza();
}
function godown() {
	if (p<max) p=p+1;
	getplaza();
}

function getplaza() {
	ajax = new sack();
	ajax.setVar("page", p);
	ajax.requestFile = "includes/plaza.php";
	ajax.element = "plazas";
	ajax.onLoading = loading;
	ajax.runAJAX();
	ajax = null;
}

function delLogo(fn) {
	ajax = new sack();
	ajax.setVar("fn", fn);
	ajax.requestFile = "plaza_config_process.php?do=del_logo";
	ajax.element = "logo";
	ajax.onLoading = loading;
	ajax.runAJAX();
	ajax = null;
	return true;
}