function change(id,url){
	var ativo=$$('div.active')[0]
	if($(id)!=ativo){
		carrega(url,id+"-inner");
		ativo.getElement('div').effect('opacity',{wait:true,duration:100}).start(1,0).chain(function(){
			ativo.getElement('div').innerHTML="";
			ativo.effects({wait:true,duration:2000}).start({
				'top':[0,-533],
				'opacity':[1,0]
			}).chain(function(){
				ativo.setStyle('display','none');
				$(id).setStyle('display','block');
				$(id).effects({wait:true,duration:2000}).start({
					'top':[-533,26],
					'opacity':[0,1]
				}).chain(function(){
					$(id+'-inner').effect('opacity',{wait:true,duration:2000}).start(0,1)		
					
				});
			})
		})
		ativo.removeClass('active');
		$(id).addClass('active');
	}
}
function carrega(url,id){
	var id=$pick(id,"conteudo");
	$(id).innerHTML="<img src=\"common/images/ajax-loader.gif\">";
	
	var data=new Ajax(url, {
		method: 'get',
		update: $(id),
		onFailure:function(transport){
			$('conteudo').innerHTML="<br><font color=\"red\">Ocorreu um erro interno no servidor</font><br>,nos desculpe pelo incomodo.<br>Erro:"+transport.status;
		},
		onComplete: function(){
			//TB_init();
		},
		evalScripts: true
	});
	data.setHeader('Content-Type','text/html; charset=ISO-8859-1');
	data.request();
}
var Home_Clicked=false;



window.addEvent('domready',function(){

//	var Menu_principal = 
//	var fx = new Fx.Elements(Menu_principal, {wait: false, duration: 1000, transition: Fx.Transitions.Cubic.easeOut});
//	var fx2 = new Fx.Elements(Menu_principal, {wait: false, duration: 1000, transition: Fx.Transitions.Back.easeOut});

	$$("#nav li").each(function(el){
		var ListEffect = el.effect('background-color', {wait:false, duration: 500, transition: Fx.Transitions.Cubic.easeOut});
		var linkEffect = el.getElement('a').effects({wait:false, duration: 500});
		el.addEvent('mouseenter',function(){
			ListEffect.start('#000000','#333333');
			linkEffect.start({
				'font-size':[12,20]/*,
				'margin-bottom':[0,-20]*/
			});
		});
		el.addEvent('mouseleave',function(){
			ListEffect.start('#333333','#000000');
			linkEffect.start({
				'font-size':[20,12]/*,
				'margin-bottom':[-20,0]*/
			});
		});
	});
});