Try this
<script type="text/javascript">
var mylist= new Array ("EditRecordStatus","EditRecordMarket_Sector","EditRecordDivisions") ;
var v_state = new Array ("[@field:Status]","[@field:Market_Sector]","[@field:Divisions]") ;
for (var k=0; k<mylist.length; k++){
var m = document.getElementById(mylist[k]) ;
var o_state = document.getElementById(mylist[k]);
m.multiple = true ;
f_listbox();
function f_listbox() {
if ( v_state[k].indexOf(",") > 0 ) {
for (var i=0 ; i < o_state.options.length; i++ ) {
if(o_state[i].value == v_state[k]) {
o_state.remove(i);
break ;
}
}
var o_st = v_state[k].split(", ") ;
for (var j=0 ; j < o_st.length; j++) {
for (var i=0 ; i < o_state.options.length; i++ ) {
if(o_st[j]== o_state.options[i].value){
o_state.options[i].selected = true ;
break ;
} }
}
}
}
}
</script>