function inputOnFocus(el) { el.style.backgroundColor = '#D0F2C4'; } 
function inputOnBlur(el) { el.style.backgroundColor = '#fff'; }
function doSearch()
{
    var keywords = document.getElementById('txt_keywords').value;
    if (keywords == ' »õºÅ»òÕ߹ؼü´Ê')
    {
        document.getElementById('txt_keywords').value = '';
        keywords = '';
    }
    if (!keywords)
    {
        keywords = '';
    }
    keywords = escape(keywords);
    document.location.href = '../search/searchresult.aspx?keywords=' + keywords;
}