/******************************************************

autor: INPUT CENTER INFORMÁTICA
versão: 1.0.0
atualizado em: 11/02/2010

******************************************************/

function popup(url, largura, altura, scroll, resizable) {
    var posicaoX = (screen.availWidth - largura) / 2;
    var posicaoY = (screen.availHeight - altura) / 2;

    janelaPopup = window.open(url, 'popup', 'status=no,resizable=' + resizable + ',scrollbars=' + scroll + ',menubar=no,width=' + largura + ',height=' + altura + ',left=' + posicaoX + ',top=' + posicaoY);
    janelaPopup.focus();
}