var flashInstalled = false;
var maxVersion = 8;
var requiredVersion = 6;
var actualVersion = 0;

var flash2Installed = false;  
var flash3Installed = false;
var flash4Installed = false;
var flash5Installed = false;
var flash6Installed = false;
var flash7Installed = false;
var flash8Installed = false;

if(isIE && isWin){
  document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
  document.write('on error resume next \n');
  document.write('flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
  document.write('flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
  document.write('flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
  document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');  
  document.write('flash6Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6"))) \n');  
  document.write('flash7Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7"))) \n');  
  document.write('flash8Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8"))) \n');  
  document.write('</SCR' + 'IPT\> \n');
}

function detectFlash() {  
    if (navigator.plugins) {
        if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
            var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
            var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;

            var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));

            flash2Installed = flashVersion == 2;
            flash3Installed = flashVersion == 3;
            flash4Installed = flashVersion == 4;
            flash5Installed = flashVersion == 5;
            flash6Installed = flashVersion == 6;
            flash7Installed = flashVersion == 7;
            flash8Installed = flashVersion >= 8;
        }
    }

    for (var i = 2; i <= maxVersion; i++) {  
        if (eval("flash" + i + "Installed") == true) actualVersion = i;
    }

    if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 3;  

    if (actualVersion >= requiredVersion) {
        flashInstalled = true;
    }
}

detectFlash();

function flash_index() {
    var flashoutput = "<img src='images/main.gif' border='0' id='mainimage'>";
    if (flashInstalled) {
        flashoutput = "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0' width='383' height='260' id='mainimage' align='middle'>" + 
                      "<param name='allowScriptAccess' value='sameDomain'/>" + 
                      "<param name='movie' value='images/main.swf'/><param name='quality' value='high'/><param name='bgcolor' value='#ffffff'/><embed src='images/main.swf' quality='high' bgcolor='#ffffff' width='383' height='260' name='mainimage' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer'/>" + 
                      "</object>";
    }
    document.write(flashoutput);
}