// JavaScript Document

janela=null;
function jan(href,w,h,nome)
        {   if (janela!=null) janela.close;
			x = (screen.width-(w))/2;
			y = ((screen.height-28)-(h))/2;
            janela=window.open(href,nome,'width='+w+',height='+h+',left='+x+',top='+y+',scrollbars=no')
			setTimeout('janela.focus();',250);
        }