function participantOpen(page) {
  page=page.replace(/^[\s]+/g,"");
  page=page.replace(/[\s]+$/g,"");
  popupPage=eval("window.open('"+page+"','popupPage','toolbar=0,scrollbars=0,location=0,status=0,menubars=0,resizable=1,width=220,height=150,top=100,left=100')")
  popupPage.focus();
}