function popupsimples(janela){
  testwindow=window.open (janela,'Boleto');
}
function popup(URL,w,h){
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open(URL,'" + id + "','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width="+w+",height="+h+",left="+((800-w)/2)+",top="+((600-h)/2)+",modal=yes');");
}
function popupPosicionado(URL,w,h,l,t){
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open(URL,'" + id + "','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width="+w+",height="+h+",left="+l+",top="+t+",modal=yes');");
}
function popupModal(url,w,h){
  if(window.showModalDialog){
      window.showModalDialog(url,"name","dialogWidth:"+w+"px;dialogHeight:"+h+"px");
  }else{
    window.open(url,'name','height='+h+',width='+w+',toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes');
  }
}