// Site JavaScript Library
// copyright 2003 Systematic Marketing Limited
// email webmaster@smxi.com


// include smxlib.js
 document.write('<script lanuage="javascript" type="text/javascript" src="/smx/js/smxlib.js"><\/script>');


function checkvi(){
  if (get_cookie('vi') == 'yes'){
     document.write('<link rel="stylesheet" href="/stylesheets/impaired.css">');  
  }
}


function setvi(){
  
  if (get_cookie('vi') == 'yes'){
     set_cookie('vi', 'no', 30)
  }
  
  else {
    set_cookie('vi', 'yes', 30)
  }
  
   
}

function showvi() {

  
  if (get_cookie('vi') == 'yes') {  
    document.write('<a href="javascript:setvi();window.location.reload()" onMouseOver="self.status=\'normally sighted users\'; return true"><img src="/images/nvi_button.gif" alt="normally sighted users&#39; link"  width="25" height="25" align="absmiddle" border="0"></a>')
  } 
  else { 
    document.write('<a href="javascript:setvi();window.location.reload()" onMouseOver="self.status=\'visually impaired users\'; return true"><img src="/images/vi_button.gif" alt="visually impaired users&#39; link" width="25" height="25" align="absmiddle" border="0"></a>') }

}