// this version assumes absolute addressing, i.e., no 'base' declaration
// the parameter 'server' must be the URL of the root web page

function getImage(server) {
    d = new Date;
    time=d.getTime();
    switch(time % 29) {
    case 0: loco = "R707-1.jpg"; break;
    case 1: loco = "6029-32.jpg"; break;
    case 2: loco = "4472=R761-11.jpg"; break;
    case 3: loco = "621-16.jpg"; break;
    case 4: loco = "F255-1.jpg"; break;
    case 5: loco = "5910-4.jpg"; break;
    case 6: loco = "3813-5.jpg"; break;
    case 7: loco = "5112+5910-4a.jpg"; break;
    case 8: loco = "W933-8.jpg"; break;
    case 9: loco = "520-6.jpg"; break;
    case 10: loco = "3203-3.jpg"; break;
    case 11: loco = "3642-1.jpg"; break;
    case 12: loco = "Rx207-15.jpg"; break;
    case 13: loco = "38=D3+K=R-3.jpg"; break;
    case 14: loco = "D3-639+R707-1.png"; break;
    case 15: loco = "J549-21.jpg"; break;
    case 16: loco = "5367-2.jpg"; break;
    case 17: loco = "W22-1.png"; break;
    case 18: loco = "3813-5a.jpg"; break;
    case 19: loco = "tgv-13.jpg"; break;
    case 20: loco = "S300-1.jpg"; break;
    case 21: loco = "4472=R761-11.jpg"; break;
    case 22: loco = "6029-6.jpg"; break;
    case 23: loco = "Callington-1.jpg"; break;
    case 24: loco = "NYCHudson-1.jpg"; break;
    case 25: loco = "R711-3.jpg"; break;
    case 26: loco = "MerddinEmrys-2.jpg"; break;
    case 27: loco = "3801+3813+3820-2.jpg"; break;
    case 28: loco = "WPYR-73-1.jpg"; break;
    }
    image = "<img align=\"right\" SRC=\""+server+"/images/banner/" + loco;
    image = image + "\" height=\"79\" alt=\"steam loco " + loco + "\"\/>";
    return(image);
}

function modDate() {
    //File file = new File(d);
    
    // Get the last modified time
    //long modifiedTime = 0; //file.lastModified();
    // 0L is returned if the file does not exist
    
    //String s = modifiedTime.toString();
    return("help");
}