jQuery(document).ready(function () 
{

    //global vars
    var searchBox = jQuery("#plc_lt_zoneSearch_Search_txtWord");
    var searchBoxDefaultText = "Keyword";

    searchBox.val('Keyword');

    //Searchbox show/hide default text if needed
    searchBox.focus(function () 
    {

        if (jQuery(this).attr("value") == searchBoxDefaultText) jQuery(this).attr("value", "");

    });

    searchBox.blur(function () 
    {

        if (jQuery(this).attr("value") == "") jQuery(this).attr("value", searchBoxDefaultText);

    });

});