function getobs_map(getobserved) {

    var filename = "";
    var directory = "";
    var date_timeIndex = getobserved.date_time.selectedIndex;

    var resolute = "";
    j = getobserved.resolution.length;
        for ( i=0; i<j; i++) {
            if ( getobserved.resolution[i].checked ) var resolute = getobserved.resolution[i].value;
        }
    j = getobserved.map_type.length;
        for ( i=0; i<j; i++) {
            if ( getobserved.map_type[i].checked ) var type = getobserved.map_type[i].value;
        }


    if ( resolute == "low" ) {
        directory = "/html/sfcloop/";
        if ( type == "standard" ) {
            filename = "sfc"+getobserved.date_time.options[date_timeIndex].value+".html";
        }
        else {
            if ( type == "wind_chill" ) {
                filename = "sfcwc"+getobserved.date_time.options[date_timeIndex].value+".html";
            }
            else {
                if ( type == "heat_index" ) {
                    filename = "sfchi"+getobserved.date_time.options[date_timeIndex].value+".html";
                 }
            }
        }
    }
    else
    {
        directory = "/sfc/sfcobs/";
        if ( type == "standard" ) {
            filename = "sfcgif"+getobserved.date_time.options[date_timeIndex].value+"Z_large.gif";
        }
        else {
            if ( type == "wind_chill" ) {
                filename = "sfcgifwc"+getobserved.date_time.options[date_timeIndex].value+"Z_large.gif";
            }
            else {
                if ( type == "heat_index" ) {
                    filename = "sfcgifhi"+getobserved.date_time.options[date_timeIndex].value+"Z_large.gif";
                }
            }
        }
    }
    window.location = directory+filename;
    
  return true;
}