var  w  = grid_width;
var  h  = grid_height;
var  id = grid_site;
var url = grid_domain;
document.write('<iframe frameborder=0 width=' +w+ ' height=' +h+ ' src=http://' +url+ '/index.php?aid=' +id+ ' marginheight=0 marginwidth=0 scrolling=no allowtransparency=yes ></iframe>');