function setSearchAction() {
    var sObj=document.getElementById("sat");
    var idx=sObj.selectedIndex;
    var actionType=sObj[idx].value;
    var frmObj=document.getElementById("searchForm");
    if(actionType == "item") {
        var trgFrm=document.getElementById("itemSr");
        trgFrm.sitem.value=frmObj.stx.value;
        trgFrm.submit();
    } else {
        var trgFrm=document.getElementById("genreSr");

        trgFrm.stx.value=frmObj.stx.value;
        trgFrm.submit();
    }
}