function showTrailer(trailer) { 
 player_path = 'http://www.perspoort.tv/affiliates/preview/'+trailer+'.html';
 features = 'scrollbars=no,width=532,height=533';
 window.open(player_path,'perspoort',features);
 return false;
} 

function showJac(trailer) { 
 player_path = 'http://www.perspoort.tv/affiliates/preview/preview_jac.php?mb='+trailer;
 features = 'scrollbars=no,width=532,height=533';
 window.open(player_path,'perspoort',features);
 return false;
} 

function showFenS(trailer) { 
 player_path = 'http://www.perspoort.tv/affiliates/preview/preview_fens.php?mb='+trailer;
 features = 'scrollbars=no,width=532,height=533';
 window.open(player_path,'perspoort',features);
 return false;
}