if (document.images) {
nav1 = new Image();nav1.src = '/images/who_we_are.gif';
nav1a = new Image();nav1a.src = '/images/who_we_are_over.gif';
nav2 = new Image();nav2.src = '/images/sub_grey.gif';
nav2a = new Image();nav2a.src = '/images/sub_grey_over.gif';
nav3 = new Image();nav3.src = '/images/what_we_do.gif';
nav3a = new Image();nav3a.src = '/images/what_we_do_over.gif';
nav4 = new Image();nav4.src = '/images/events.gif';
nav4a = new Image();nav4a.src = '/images/events_over.gif';
nav5 = new Image();nav5.src = '/images/case_studies.gif';
nav5a = new Image();nav5a.src = '/images/case_studies_over.gif';
nav6 = new Image();nav6.src = '/images/clients.gif';
nav6a = new Image();nav6a.src = '/images/clients_over.gif';
nav7 = new Image();nav7.src = '/images/news.gif';
nav7a = new Image();nav7a.src = '/images/news_over.gif';

nav8 = new Image();nav8.src = '/images/clear.gif';
nav8a = new Image();nav8a.src = '/images/who_we_are_over.gif';
nav9 = new Image();nav9.src = '/images/clear.gif';
nav9a = new Image();nav9a.src = '/images/what_we_do_over.gif';
nav10 = new Image();nav10.src = '/images/clear.gif';
nav10a = new Image();nav10a.src = '/images/events_over.gif';
nav11 = new Image();nav11.src = '/images/clear.gif';
nav11a = new Image();nav11a.src = '/images/case_studies_over.gif';
nav12 = new Image();nav12.src = '/images/clear.gif';
nav12a = new Image();nav12a.src = '/images/news_over.gif';

}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

// function that displays status bar message

function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}
var showMsg = navigator.userAgent != "Mozilla/4.0 (compatible; MSIE 4.0; Mac_PowerPC)";
function dmim(msgStr) {
  document.returnValue = false;
  if (showMsg) { 
    window.status = msgStr;
    document.returnValue = true;
  }
}