function setcookie( name, value, expiry, path, secure ) 
{   
 if(expiry) 
   {     
     var now = new Date(); 
     now.setTime( now.getTime() + Math.round(86400000*expiry) );
     expiry = now.toGMTString(); 
   } 
 expiry = expiry ? '; expires=' + expiry : '';
 path = path ?'; path=' + path:''; 
 document.cookie = name + '=' + escape(value) + expiry + path; 
}  

function getcookie( name ) 
{ 
  var cookie = document.cookie; 
  if( cookie.indexOf( name + '=' ) < 0 ) 
   { return null; } 
  var start = cookie.indexOf( name + '=' ) + name.length + 1;
  var finish = cookie.substring( start, cookie.length );
  finish = ( finish.indexOf( ';' ) < 0 ) ? cookie.length : start + finish.indexOf( ';' ); 
  return unescape( cookie.substring( start, finish ) ); 
}  

function setsheet( name ) 
{
  var l = document.getElementsByTagName( 'link' ), i, o, t; 
  for( i=0; (o = l[i]); i++ )
   {     if( 'stylesheet'===o.getAttribute( 'rel' ) && ( t = o.getAttribute( 'title' ) ) ) 
        {       
          o.disabled = true; // browser bug: will not enable on next line otherwise   
          o.disabled = ( t !== name ); 
        }
   } 
}  

function setstyle( list ) 
{  var name;
  if( ( name = list.options[ list.selectedIndex ].value ) ) 
    {
      setcookie( 'style', name, 90 );   
      setsheet( name ); 
    }
}  // do this before the body opening tag and the user will see no flickering 


if( ( name = getcookie( 'style' ) ) ) 
{  
 setsheet( name ); 
}