you missed out this stage
PHP Code:
function aimwindow(aimid) {
window.open("member.php?action=aimmessage&aim="+aimid,"_blank","toolbar=no,location=no,menubar=no,scrollbars=no,width=175,height=275,resizeable=yes,status=no")
}
add
function openeditsigwindow(x,y,sessionhash,userid) {
window.open("moderator.php?action=editsig&s"+sessionhash+"&userid="+userid, "EditSig", "toolbar=no,scrollbars=yes,resizable=yes,width="+x+",height="+y);
}