/*
FlashDetecor and AJAX to PHP parser
*/
var FlashDetect = new function(){
	var self = this;
	self.installed = false;
	self.major = -1;
	self.minor = -1;
	self.revision = -1;
	self.revisionStr = "";
	self.activeXVersion = "";
	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 {
			"major":parseInt(versionArray[0].split(" ")[1], 10),
			"minor":parseInt(versionArray[1], 10),
			"revision":parseInt(versionArray[2], 10),
			"revisionStr":versionArray[2]
		};
	};
	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 desc = mimeTypes[type].enabledPlugin.description;
				var descParts = desc.split(' ');//replace with regex
				var majorMinor = descParts[2].split('.');
				self.major = parseInt(majorMinor[0], 10);
				self.minor = parseInt(majorMinor[1], 10);
				self.revisionStr = descParts[3];
				self.revision = parseRevisionStrToInt(self.revisionStr);
				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.major = versionObj.major;
						self.minor = versionObj.minor;
						self.revision = versionObj.revision;
						self.revisionStr = versionObj.revisionStr;
						self.activeXVersion = version;
					}
				}
			}
		}
	}();
};
FlashDetect.release = "1.0.2";
/*
   AJAX Script to save detected flash plugin's version in DB for statistics
*/
  var xmlHttp

  function GetXmlHttpObject()
  {
    var xmlHttp=null;
    try
    {
      // Firefox, Opera 8.0+, Safari
     xmlHttp=new XMLHttpRequest();
    }
    catch (e)
    {
      // Internet Explorer
      try
      {
        xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
      catch (e)
      {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
    return xmlHttp;
  }

  function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
	  offset = cookie.indexOf(search);
	  if (offset != -1) {
	    offset += search.length;
		end = cookie.indexOf(";", offset)
		if (end == -1) {
		  end = cookie.length;
		}
		setStr = unescape(cookie.substring(offset, end));
	  }
	}
	return(setStr);
  }

  function saveValue(str)
  {
    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null)
    {
      alert ("Your browser does not support AJAX!");
      return;
    }
    var url="/cms/backend/custommodules/flashdetector.php";
    url=url+"?q="+str;
    url=url+"&sid="+getCookie("PHPSESSID");
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
  }

  function stateChanged()
  {
    if (xmlHttp.readyState==4)
    {
        //some action
    }
  }

  window.onload = function() {
    if(FlashDetect.installed){
      saveValue(FlashDetect.major);
    }
  }