function getusername()
{
if (document.cookie.length<0) return '';
begin=document.cookie.indexOf('mtusr=');
if (begin==-1) return ''; 
begin=begin+6;
end=document.cookie.indexOf(';',begin);
if (end==-1) end=document.cookie.length;
username=unescape(document.cookie.substring(begin,end));
return username;
}