// a function to execute an image rollover
function swap(n)
{                                     
  if( n == 0 )document.images.m1.src = "buttons/about_OUT.gif";
  if( n == 1 )document.images.m1.src = "buttons/about_IN.gif";
  if( n == 2 )document.images.m2.src = "buttons/capabilites_OUT.gif";
  if( n == 3 )document.images.m2.src = "buttons/capabilites_IN.gif";
  if( n == 4 )document.images.m3.src = "buttons/portfolio_OUT.gif";
  if( n == 5 )document.images.m3.src = "buttons/portfolio_IN.gif";
  if( n == 6 )document.images.m4.src = "buttons/team_OUT.gif";
  if( n == 7 )document.images.m4.src = "buttons/team_IN.gif";
  if( n == 8 )document.images.m5.src = "buttons/contact_OUT.gif";
  if( n == 9 )document.images.m5.src = "buttons/contact_IN.gif";
  if( n == 10 )document.images.m6.src = "buttons/home_OUT.gif";
  if( n == 11 )document.images.m6.src = "buttons/home_IN.gif";
  if( n == 12 )document.images.m7.src = "list_buttons/logo_OUT.gif";
  if( n == 13 )document.images.m7.src = "list_buttons/logo_IN.gif";
  if( n == 14 )document.images.m8.src = "list_buttons/brochures_OUT.gif";
  if( n == 15 )document.images.m8.src = "list_buttons/brochures_IN.gif";
  if( n == 16 )document.images.m9.src = "list_buttons/pamphets_OUT.gif";
  if( n == 17 )document.images.m9.src = "list_buttons/pamphets_IN.gif";
  if( n == 18 )document.images.m10.src = "list_buttons/folders_OUT.gif";
  if( n == 19 )document.images.m10.src = "list_buttons/folders_IN.gif";
  if( n == 20 )document.images.m11.src = "list_buttons/websites_OUT.gif";
  if( n == 21 )document.images.m11.src = "list_buttons/websites_IN.gif";
  if( n == 22 )document.images.m12.src = "list_buttons/advertising_OUT.gif";
  if( n == 23 )document.images.m12.src = "list_buttons/advertising_IN.gif"; 
  if( n == 24 )document.images.m13.src = "list_buttons/flyers_OUT.gif";
  if( n == 25 )document.images.m13.src = "list_buttons/flyers_IN.gif"; 
  if( n == 26 )document.images.m14.src = "list_buttons/direct_OUT.gif";
  if( n == 27 )document.images.m14.src = "list_buttons/direct_IN.gif"; 
  if( n == 28 )document.images.m15.src = "list_buttons/postcards_OUT.gif";
  if( n == 29 )document.images.m15.src = "list_buttons/postcards_IN.gif"; 
  if( n == 30 )document.images.m16.src = "list_buttons/display_OUT.gif";
  if( n == 31 )document.images.m16.src = "list_buttons/display_IN.gif";  
  }