function todaysjams() {
 window.open('todaysjams.php', 
  'todaysjams', 
  'width=775, \
   height=460, \
   left=200, \
   directories=no, \
   location=no, \
   menubar=no, \
   resizable=yes, \
   scrollbars=1, \
   status=no, \
   toolbar=no'); 
}