function CorretorOnline() {
	
	var altura = 402;
	var largura = 402;
	
	windowTop = screen.height/2 - altura/2;
 	windowLeft = screen.width/2 - largura/2;

	window.open('atendimento.html','_blank','scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,height='+ altura +',width='+ largura +',top='+ windowTop +',left='+ windowLeft +''); 
	
}