function alerta(endereco){
	window2 = open(endereco, 'pop','location=0,directories=0,menuBar=0,scrollbars=0,resizable=0,width=400,height=366,left=100,top=50');
	if (window2.abridor == null) window2.abridor = self;
}

function anti(largura,altura,endereco,nome){
	windowalerta = open(endereco, nome,'location=0,directories=0,menuBar=0,scrollbars=0,resizable=0,width='+ largura +',height='+ altura +',left=50,top=50');
	if (windowalerta.abridor == null) windowalerta.abridor = self;
}