/* START applesearch object */

if (!applesearch)        var applesearch = {};

applesearch.init = function ()
{
        // add applesearch css for non-safari, dom-capable browsers
        if ( navigator.userAgent.toLowerCase().indexOf('safari') < 0  && document.getElementById )
        {
                this.clearBtn = false;

                // add style sheet if not safari
                var dummy = document.getElementById("dummy_css");
                if (dummy)        dummy.href = "applesearch.css";
        }
}

// called when on user input - toggles clear fld btn
applesearch.onChange = function (fldID, btnID)
{
        // check whether to show delete button
        var fld = document.getElementById( fldID );
        var btn = document.getElementById( btnID );
        if (fld.value.length > 0 && !this.clearBtn)
        {
                btn.style.background = "white url('images/ksastyle/srch_r_f2.gif') no-repeat top left";
                btn.fldID = fldID; // btn remembers it's field
                btn.onclick = this.clearBtnClick;
                this.clearBtn = true;
        } else if (fld.value.length == 0 && this.clearBtn)
        {
                btn.style.background = "white url('images/ksastyle/srch_r.gif') no-repeat top left";
                btn.onclick = null;
                this.clearBtn = false;
        }
}


// clears field
applesearch.clearFld = function (fldID,btnID)
{
        var fld = document.getElementById( fldID );
        fld.value = "";
        this.onChange(fldID,btnID);
}

// called by btn.onclick event handler - calls clearFld for this button
applesearch.clearBtnClick = function ()
{
        applesearch.clearFld(this.fldID, this.id);
}

/* END applesearch object */