/**
 * This will register two event observers for the search term input to 
 * clear/restore the defaultvalue on focus/blur
 *
 */
Event.observe(window, 'load', function(e){
    // get input
    var iObj = $$('div.search form input[name="sword"]').first();
    
    try {
        iObj.defaultValue = iObj.value;
        // onfocus observer
        Event.observe(iObj, 'focus', function(evt){
            if( iObj.value == iObj.defaultValue){
                iObj.value = '';
            }
            iObj.select();
        });
        // onblur observer
        Event.observe(iObj, 'blur', function(evt){
            if( iObj.value == ''){
                iObj.value = iObj.defaultValue;
            }
        });
    } catch(e) {}
    
});