/* START applesearch object */

if (!applesearch)	var applesearch = {};

applesearch.init = function ()
{
// add applesearch css for non-safari, dom-capable browsers
//alert(navigator.userAgent.toLowerCase());
if ( navigator.userAgent.toLowerCase().indexOf('Safari') < 0  && document.getElementById )
{
this.clearBtn = false;
//alert('add style sheet');
// add style sheet if not safari
var dummy = document.getElementById("dummy_css");
if (dummy)	dummy.href = "/css/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('/img/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('/img/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 */