function imgDummy(){
   // dummy function doing nothing. 
}
function changeImgSrc (p_dir) {
    var file = document.getElementById('galPic').src;
    for (i = 0; i < arr_galMedia.length;i++) {
        var wordCount = arr_galMedia[i].length;
        var tmpFile = file.substring((file.length-wordCount),file.length);
        if (tmpFile == arr_galMedia[i]) {
            var curPos = i;
        }
    }
    if (p_dir == "-") {
        if (curPos == "0") {
            var nextPos = (arr_galMedia.length-1);
        } else {
            var nextPos = curPos-1;
        }
    } else if (p_dir == "+") {
        if (curPos == (arr_galMedia.length-1)) {
            var nextPos = 0;
        } else {
            var nextPos = curPos+1;
        }
    }
    document.getElementById('galPic').src = arr_galMedia[nextPos];
}
function setCardDiv () {
    var curDiv = document.getElementById('Credit_Card_Type').value;
    switch (curDiv) {
        case 'AMEX':
            document.getElementById('type1').style.display = 'none';
            document.getElementById('type2').style.display = 'block';
            break;
        default:
            document.getElementById('type1').style.display = 'block';
            document.getElementById('type2').style.display = 'none';
            break;
    }
}


var keyStr = "ABCDEFGHIJKLMNOP" +
            "QRSTUVWXYZabcdef" +
            "ghijklmnopqrstuv" +
            "wxyz0123456789+/" +
            "=";
function encode(input) {
   var output = "";
      var chr1, chr2, chr3 = "";
      var enc1, enc2, enc3, enc4 = "";
      var i = 0;

  do {
     chr1 = input.charCodeAt(i++);
     chr2 = input.charCodeAt(i++);
     chr3 = input.charCodeAt(i++);

     enc1 = chr1 >> 2;
     enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
     enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
     enc4 = chr3 & 63;

     if (isNaN(chr2)) {
        enc3 = enc4 = 64;
     } else if (isNaN(chr3)) {
        enc4 = 64;
     }

     output = output +
        keyStr.charAt(enc1) +
        keyStr.charAt(enc2) +
        keyStr.charAt(enc3) +
        keyStr.charAt(enc4);
     chr1 = chr2 = chr3 = "";
     enc1 = enc2 = enc3 = enc4 = "";
      } while (i < input.length);

      return "?dat=" + output;
   }


function browserCheck() {
    var version = navigator.appVersion;
    browser = (
        ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 ))
        ||
        ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
        ||
        ((navigator.appName == "Microsoft Internet Explorer") && (version.search(/MSIE 6.+/) != -1 ))
        ||
        ((navigator.appName == "Microsoft Internet Explorer") && (version.search(/MSIE 5\.5.+/) != -1 ))
        ||
        ((navigator.appName == "Safari") && (parseInt(navigator.appVersion) >= 1 ))
    );

    if (browser == 0)	location='html/browsercheck.html';
}

function detectingFLASH() {
    var browser = navigator.userAgent.toLowerCase();
    flashVersion = 0;
    // NS3+, Opera3+, IE5+ Mac
    if ( navigator.plugins != null && navigator.plugins.length > 0 ) {
        var flashPlugin = navigator.plugins['Shockwave Flash'];
        if ( typeof flashPlugin == 'object' ) {
            if ( flashPlugin.description.indexOf('7.') != -1 ) flashVersion = 7;
            else if ( flashPlugin.description.indexOf('6.') != -1 ) flashVersion = 6;
            else if ( flashPlugin.description.indexOf('5.') != -1 ) flashVersion = 5;
            else if ( flashPlugin.description.indexOf('4.') != -1 ) flashVersion = 4;
            else if ( flashPlugin.description.indexOf('3.') != -1 ) flashVersion = 3;
        }
    } else if ( browser.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && browser.indexOf("win")!= -1 && browser.indexOf("16bit")== -1 ) {
        // IE4+ Win32 (VBscript)
        document.write('<scr' + 'ipt language="VBScript"\> \n');
        document.write('on error resume next \n');
        document.write('DIM obFlash \n');
        document.write('SET obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.7") \n');
        document.write('IF IsObject(obFlash) THEN \n');
        document.write('flashVersion = 7 \n');
        document.write('ELSE SET obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.6") END IF \n');
        document.write('IF flashVersion < 7 and IsObject(obFlash) THEN \n');
        document.write('flashVersion = 6 \n');
        document.write('ELSE SET obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.5") END IF \n');
        document.write('IF flashVersion < 6 and IsObject(obFlash) THEN \n');
        document.write('flashVersion = 5 \n');
        document.write('ELSE SET obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.4") END IF \n');
        document.write('IF flashVersion < 5 and IsObject(obFlash) THEN \n');
        document.write('flashVersion = 4 \n');
        document.write('ELSE SET obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.3") END IF \n');
        document.write('IF flashVersion < 4 and IsObject(obFlash) THEN \n');
        document.write('flashVersion = 3 \n');
        document.write('END IF');
        document.write('</scr' + 'ipt\> \n');
    } else {
        // no Flash
        flashVersion = -1;
    }
    return flashVersion;
}