There is some site. not mine. so i cant edit the source.i need a floating button. the button will be load next page.exmpl: localhost/dev/page.php?pid=1. the button will load localhost/dev/page.php?pid=2 and subsquently. and how i execute this script every that site loaded?how about using greasemonkey? thanks.----------btw, i dont know what is page.php?pid=_number or profile.php?uid=_number name. is this called function?