<!--- funcao para janela de ajuda configurando tamamnho e sem toolbar
function f_janela(URLStr, width, height){
	jan_x = ((screen.width - width) / 2);
	jan_y = ((screen.height - height) / 2) - 30;
	jan = window.open(URLStr,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+jan_x+',top='+jan_y+',screenX='+jan_x+',screenY='+jan_y);
}
//  End -->