function gotoURL(dropDown) {

  URL=dropDown.options[dropDown.selectedIndex].value
  if(URL.length>0) 
    window.location.href=URL;
    window.name = 'main';
  
}

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