function scramble( str ) {
    totaal = 0;
    for( i=0; i < str.length; i++ ) {
        chr = str.charAt( i );
        code = chr.charCodeAt( 0 );
        totaal += code;
    }
    url = (totaal % 769) + '-' + str;
    return url;
}

function imode_simulator( imodeURL ) {
    baseURL  = "http://194.245.72.59:4050/nec?url=";
    finalURL = baseURL + scramble( imodeURL );
    window.open( finalURL, "imodePages", 
                 "height=500, width=210, toolbar=no, menubar=no, scrollbars=no,"+
                 "resizable=no, location=no, directories=no, status=no" );
}