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From 2012.igem.org

// Flash Player Version Detection - Rev 1.6 // Detect Client Browser type // Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved. var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false; var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false; var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion() { var version; var axo; var e;

// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

try { // version will be set for 7.X or greater players axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"); version = axo.GetVariable("$version"); } catch (e) { }

if (!version) { try { // version will be set for 6.X players only axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

// installed player is some revision of 6.0 // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29, // so we have to be careful.

// default to the first public version version = "WIN 6,0,21,0";

// throws if AllowScripAccess does not exist (introduced in 6.0r47) axo.AllowScriptAccess = "always";

// safe to call for 6.0r47 or greater version = axo.GetVariable("$version");

} catch (e) { } }

if (!version) { try { // version will be set for 4.X or 5.X player axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); version = axo.GetVariable("$version"); } catch (e) { } }

if (!version) { try { // version will be set for 3.X player axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); version = "WIN 3,0,18,0"; } catch (e) { } }

if (!version) { try { // version will be set for 2.X player axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); version = "WIN 2,0,0,11"; } catch (e) { version = -1; } }

return version; }

// JavaScript helper required to detect Flash Player PlugIn version information function GetSwfVer(){ // NS/Opera version >= 3 check for Flash plugin in plugin array var flashVer = -1;

if (navigator.plugins != null && navigator.plugins.length > 0) { if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) { var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : ""; var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description; var descArray = flashDescription.split(" "); var tempArrayMajor = descArray[2].split("."); var versionMajor = tempArrayMajor[0]; var versionMinor = tempArrayMajor[1]; var versionRevision = descArray[3]; if (versionRevision == "") { versionRevision = descArray[4]; } if (versionRevision[0] == "d") { versionRevision = versionRevision.substring(1); } else if (versionRevision[0] == "r") { versionRevision = versionRevision.substring(1); if (versionRevision.indexOf("d") > 0) { versionRevision = versionRevision.substring(0, versionRevision.indexOf("d")); } } var flashVer = versionMajor + "." + versionMinor + "." + versionRevision; } } // MSN/WebTV 2.6 supports Flash 4 else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4; // WebTV 2.5 supports Flash 3 else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3; // older WebTV supports Flash 2 else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2; else if ( isIE && isWin && !isOpera ) { flashVer = ControlVersion(); } return flashVer; }

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) { versionStr = GetSwfVer(); if (versionStr == -1 ) { return false; } else if (versionStr != 0) { if(isIE && isWin && !isOpera) { // Given "WIN 2,0,0,11" tempArray = versionStr.split(" "); // ["WIN", "2,0,0,11"] tempString = tempArray[1]; // "2,0,0,11" versionArray = tempString.split(","); // ['2', '0', '0', '11'] } else { versionArray = versionStr.split("."); } var versionMajor = versionArray[0]; var versionMinor = versionArray[1]; var versionRevision = versionArray[2];

       	// is the major.revision >= requested major.revision AND the minor version >= requested minor

if (versionMajor > parseFloat(reqMajorVer)) { return true; } else if (versionMajor == parseFloat(reqMajorVer)) { if (versionMinor > parseFloat(reqMinorVer)) return true; else if (versionMinor == parseFloat(reqMinorVer)) { if (versionRevision >= parseFloat(reqRevision)) return true; } } return false; } }

function AC_AddExtension(src, ext) {

 if (src.indexOf('?') != -1)
   return src.replace(/\?/, ext+'?'); 
 else
   return src + ext;

}

function AC_Generateobj(objAttrs, params, embedAttrs) {

   var str = ;
   if (isIE && isWin && !isOpera)
   {
 		str += '<object ';
 		for (var i in objAttrs)
 			str += i + '="' + objAttrs[i] + '" ';
 		for (var i in params)
 			str += '><param name="' + i + '" value="' + params[i] + '" /> ';
 		str += '></object>';
   } else {
 		str += '<embed ';
 		for (var i in embedAttrs)
 			str += i + '="' + embedAttrs[i] + '" ';
 		str += '> </embed>';
   }

   document.write(str);

}

function AC_FL_RunContent(){

 var ret = 
   AC_GetArgs
   (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
    , "application/x-shockwave-flash"
   );
 AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);

}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){

 var ret = new Object();
 ret.embedAttrs = new Object();
 ret.params = new Object();
 ret.objAttrs = new Object();
 for (var i=0; i < args.length; i=i+2){
   var currArg = args[i].toLowerCase();    

   switch (currArg){	
     case "classid":
       break;
     case "pluginspage":
       ret.embedAttrs[args[i]] = args[i+1];
       break;
     case "src":
     case "movie":	
       args[i+1] = AC_AddExtension(args[i+1], ext);
       ret.embedAttrs["src"] = args[i+1];
       ret.params[srcParamName] = args[i+1];
       break;
     case "onafterupdate":
     case "onbeforeupdate":
     case "onblur":
     case "oncellchange":
     case "onclick":
     case "ondblClick":
     case "ondrag":
     case "ondragend":
     case "ondragenter":
     case "ondragleave":
     case "ondragover":
     case "ondrop":
     case "onfinish":
     case "onfocus":
     case "onhelp":
     case "onmousedown":
     case "onmouseup":
     case "onmouseover":
     case "onmousemove":
     case "onmouseout":
     case "onkeypress":
     case "onkeydown":
     case "onkeyup":
     case "onload":
     case "onlosecapture":
     case "onpropertychange":
     case "onreadystatechange":
     case "onrowsdelete":
     case "onrowenter":
     case "onrowexit":
     case "onrowsinserted":
     case "onstart":
     case "onscroll":
     case "onbeforeeditfocus":
     case "onactivate":
     case "onbeforedeactivate":
     case "ondeactivate":
     case "type":
     case "codebase":
       ret.objAttrs[args[i]] = args[i+1];
       break;
     case "id":
     case "width":
     case "height":
     case "align":
     case "vspace": 
     case "hspace":
     case "class":
     case "title":
     case "accesskey":
     case "name":
     case "tabindex":
       ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
       break;
     default:
       ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
   }
 }
 ret.objAttrs["classid"] = classid;
 if (mimeType) ret.embedAttrs["type"] = mimeType;
 return ret;

}