function fnOnFocus() {
    var str = document.getElementById("searchBox").value;
    if (str == 'Search') {
        document.getElementById("searchBox").value = '';
    }
}

function fnGoClick() {
    var str = document.getElementById("searchBox").value;
    if (str.indexOf("<span style='display:none;'>") > 0) {
        var fromIndex = str.indexOf("<span style='display:none;'>");
        var toIndex = str.indexOf("</span>");
        var finalUrl = str.substring(fromIndex, toIndex).replace("<span style='display:none;'>", "");
        location.href = finalUrl;
    }
    else {
        location.href = "search.aspx?SearchTerm=" + str.replace("+", "*");
    }
}