/*
Copyright (c) Copyright (c) 2007, Carl S. Yestrau All rights reserved.
Code licensed under the BSD License: http://www.featureblend.com/license.txt
Version: 1.0.3
*/
var FlashDetect = new function(){
    var self = this;
    self.installed = false;
    self.raw = "";
    self.major = -1;
    self.minor = -1;
    self.revision = -1;
    self.revisionStr = "";
    var activeXDetectRules = [
	{
	    "name":"ShockwaveFlash.ShockwaveFlash.7",
	    "version":function(obj){
		return getActiveXVersion(obj);
	    }
	},
	{
	    "name":"ShockwaveFlash.ShockwaveFlash.6",
	    "version":function(obj){
		var version = "6,0,21";
		try{
		    obj.AllowScriptAccess = "always";
		    version = getActiveXVersion(obj);
		}catch(err){}
		return version;
	    }
	},
	{
	    "name":"ShockwaveFlash.ShockwaveFlash",
	    "version":function(obj){
		return getActiveXVersion(obj);
	    }
	}
    ];
    var getActiveXVersion = function(activeXObj){
	var version = -1;
	try{
	    version = activeXObj.GetVariable("$version");
	}catch(err){}
	return version;
    };
    var getActiveXObject = function(name){
	var obj = -1;
	try{
	    obj = new ActiveXObject(name);
	}catch(err){}
	return obj;
    };
    var parseActiveXVersion = function(str){
	var versionArray = str.split(",");//replace with regex
	return {
	    "raw":str,
	    "major":parseInt(versionArray[0].split(" ")[1], 10),
	    "minor":parseInt(versionArray[1], 10),
	    "revision":parseInt(versionArray[2], 10),
	    "revisionStr":versionArray[2]
	};
    };
    var parseStandardVersion = function(str){
	var descParts = str.split(/ +/);
	var majorMinor = descParts[2].split(/\./);
	var revisionStr = descParts[3];
	return {
	    "raw":str,
	    "major":parseInt(majorMinor[0], 10),
	    "minor":parseInt(majorMinor[1], 10), 
	    "revisionStr":revisionStr,
	    "revision":parseRevisionStrToInt(revisionStr)
	};
    };
    var parseRevisionStrToInt = function(str){
	return parseInt(str.replace(/[a-zA-Z]/g, ""), 10) || self.revision;
    };
    self.majorAtLeast = function(version){
	return self.major >= version;
    };
    self.FlashDetect = function(){
	if(navigator.plugins && navigator.plugins.length>0){
	    var type = 'application/x-shockwave-flash';
	    var mimeTypes = navigator.mimeTypes;
	    if(mimeTypes && mimeTypes[type] && mimeTypes[type].enabledPlugin && mimeTypes[type].enabledPlugin.description){
		var version = mimeTypes[type].enabledPlugin.description;
		var versionObj = parseStandardVersion(version);
		self.raw = versionObj.raw;
		self.major = versionObj.major;
		self.minor = versionObj.minor; 
		self.revisionStr = versionObj.revisionStr;
		self.revision = versionObj.revision;
		self.installed = true;
	    }
	}else if(navigator.appVersion.indexOf("Mac")==-1 && window.execScript){
	    var version = -1;
	    for(var i=0; i<activeXDetectRules.length && version==-1; i++){
		var obj = getActiveXObject(activeXDetectRules[i].name);
		if(typeof obj == "object"){
		    self.installed = true;
		    version = activeXDetectRules[i].version(obj);
		    if(version!=-1){
			var versionObj = parseActiveXVersion(version);
			self.raw = versionObj.raw;
			self.major = versionObj.major;
			self.minor = versionObj.minor; 
			self.revision = versionObj.revision;
			self.revisionStr = versionObj.revisionStr;
		    }
		}
	    }
	}
    }();
};
FlashDetect.release = "1.0.3";