Counter making Help


Hi, i was reading up on how to make a counter and im a bit confused on some things which u didnt make clear like where abouts to write : this.loadVariables(“counter.php?num=”+random(99)); or what to call the .php file as it was just the little things u missed which made bit problems ok if its possible can u send me a html or .php code with this attached pic on the background and the counter in Comic Sans font please would that be possible !

or if not just explain in a little more detail plz thanx