// JavaScript Document
var callbacksGlobais = {
	onCreate: function(){
		Element.show('loader');
		centrar('loader');
	},
	onComplete: function(){
		if(Ajax.activeRequestCount == 0){
			Element.hide('loader');
		}
	}
};

function ocultaLoader(){
	Element.hide('loader');
}

Ajax.Responders.register(callbacksGlobais);