var scsize = 5;
var scspeed = 30;
var tid;
function scd(){slwin.scrollBy(0,-1*scsize);tid = setTimeout("scd()",scspeed);}
function scu(){slwin.scrollBy(0,scsize);tid = setTimeout("scu()",scspeed);}
function scr(){slwin.scrollBy(scsize,0);tid = setTimeout("scr()",scspeed);}
function scl(){slwin.scrollBy(-1*scsize,0);tid = setTimeout("scl()",scspeed);}
function teisi(){clearTimeout(tid);}