function send_url(urlname)
{
    xmlhttp=null;
    if (window.XMLHttpRequest)
    {
        xmlhttp=new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    {
        // code for IE5 and IE6
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    if (xmlhttp!=null)
    {
        xmlhttp.open("GET", urlname, true);
        xmlhttp.send(null);
    }
}
function clk(formInput, tid, matchtype, rank)
{
    clkThrUrl = '/clkthr/?formInput=' + formInput + '&tid=' + tid + '&matchtype=' + matchtype + '&rank=' + rank;
    send_url(clkThrUrl);
    return false;
}
function submit_date_query(y, m, d)
{
    datestr     = d+'/'+m+'/'+y;
    formInput   = document.searchbox.formInput.value;
    formInput   = formInput.replace(/fromdate:\s*\d+\/\d+\/\d+/g, '')
    formInput   = formInput.replace(/todate:\s*\d+\/\d+\/\d+/g, '')

    if (formInput.length == 0)
    {
          document.searchbox.formInput.value = 'fromdate: ' + datestr+ ' todate: '+ datestr;
    }
    else
    {
          document.searchbox.formInput.value = formInput + ' fromdate: ' + datestr+ ' todate: '+ datestr;
    }
    document.searchbox.submit();
}