function openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function seegrafica(thisurl) {
  openBrWindow(thisurl,'grafica','menubar=yes,scrollbars=yes,resizable=yes,width=700,height=335');
}

function seething(thisurl,windowname) {
  window.open(thisurl,windowname,'menubar=yes,scrollbars=yes,resizable=yes,width=700,height=270');
}