[jQuery] [ScrollLeft ?]which func is scrollleft

[xtr3mz]

var i=1;
function sw(act,id){
  if(act=='in'){
        if(i>=1){
         i=i-6;
         $(id).scrollLeft=i;
         var b=setTimeout(function(){sw('left',id);},"10");}
        else{
         clearTimeout(b);}
 }
 else{
        if(i<410){
         i=i+6;
         $(id).scrollLeft=i;
         var b=setTimeout(function(){sw('right',id);},"10");}
        else{
         clearTimeout(b);}
 }
}

just want this scroll in Jquery style.
btw, $(id) is getElementById.

Anyone? thanks  a lot