// ----------------------------------------------------------------------------
// Flash Object

var Flash = {};

Flash.hasVersion = function (versionRequired) {// Returns Boolean
  if (navigator.mimeTypes && navigator.mimeTypes['application/x-shockwave-flash'] && navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin) {
    var description = navigator.plugins['Shockwave Flash'].description;
    var reggie = new RegExp(/Shockwave \w+? (\d+).\d+? /);
    var version = parseInt(reggie.exec(description)[1]);
    return version >= versionRequired;
  }
  if (navigator.appVersion.indexOf ('Windows') != -1 && window.execScript) {
    this.hasVersionResult = null;
    execScript ('on error resume next: Flash.hasVersionResult=IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.' + versionRequired + '"))','VBScript');
    return this.hasVersionResult;
  }
  return false;
};

// ----------------------------------------------------------------------------
// FlashRedirect Object

var FlashRedirect = {};
FlashRedirect.hasVersion = function (versionRequired, redirectLocation, bypassQuery) {// Returns Boolean
  if (Flash.hasVersion (versionRequired) || window.location.search.indexOf (bypassQuery) != -1) {
    return true;
  } else {
    window.location.href = redirectLocation;
    return false;
  }
};
  
// ----------------------------------------------------------------------------
// FlashTag Class

FlashTag = function (version, movie, width, height, name) {// Contructor
  this.version = version;
  this.movie = movie;
  this.width = width;
  this.height = height;
  this.name = name;
  this.props = [];
  this.vars = [];
};

FlashTag.prototype.addProperty = function (name, value) {// Returns Void
  this.props[name] = value;
};

FlashTag.prototype.addVariable = function (name, value) {// Returns Void
  this.vars[name] = value;
};

FlashTag.prototype.getHTML = function(){// Returns String
  var fvars = '';
  for (var i in this.vars) {
    fvars += i + '=' + escape (this.vars[i]) + '&';
  }
  this.addProperty ('FlashVars', fvars);
  var tag = '<object';
  tag += ' width="' + this.width + '"';
  tag += ' height="' + this.height + '"';
  tag += ' id="'+ this.name +'"';
  tag += ' classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
  tag += ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + this.version + ',0,0,0">';
  tag += '<param name="movie" value="' + this.movie + "?" + fvars + '" />';
  for (var i in this.props) {
    tag += '<param name="' + i + '" value="' + this.props[i] + '" />';
  }
  tag += '<embed src="' + this.movie + "?" + fvars + '"';
  tag += ' type="application/x-shockwave-flash"';
  tag += ' pluginspage="http://www.macromedia.com/go/getflashplayer"';
  tag += ' width="' + this.width + '"';
  tag += ' height="' + this.height + '"';
  tag += ' name="'+ this.name +'"';
  for (var i in this.props) {
    tag += ' ' + i + '="' + this.props[i] + '"';
  }
  tag += '><\/embed>';
  tag += '<\/object>';
  return tag;
};

FlashTag.prototype.writeHTML = function(){// Returns Void
  document.write (this.getHTML());
};

// ----------------------------------------------------------------------------
// Usage
/*

if (FlashRedirect.hasVersion (7, 'noflash.html', 'nosniff=true')) {
  var tag = new FlashTag (7, 'main.swf', '400', '300');
  tag.writeHTML();
}

*/
// ----------------------------------------------------------------------------