/*

	プラグインチェック
	
*/
function checkPlugin(mimeType, comNames){
  comNames = [].concat(comNames);
  if(navigator.userAgent.indexOf('MSIE')==-1){
    return !!navigator.mimeTypes[mimeType];
  }
  
  for(var i=comNames.length-1 ; comNames[i] ; i-- ){
    try{
      new ActiveXObject(comNames[i]);
      return true;
    }catch(e){
    }
  }
  
  return false;
}
/*

	フラッシュのプラグインチェック
	ある⇒true ない ⇒falsh
*/
function is_flash(){
	
	buf	=	(checkPlugin('application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash'));
	
	return buf;
	
}

function flashVersion(){


		//FlashPleyerバージョンチェックスクリプト
		var flashVersion=false;
		var nn=(navigator.appName.charAt(0)=="N");
		var n6=(document.getElementById && nn) || false;
		var ie=(document.all && !nn) || false;
		var mac=(navigator.userAgent.indexOf("Mac")!=-1) || false;
		var ver=""+navigator.appVersion;
		var fno=ver.indexOf(" ");
		var macChecked=0;
		ver=eval(ver.substring(0,fno));
		
		if (ie && !mac)
		{
			var flashVersion=new ActiveXObject("ShockwaveFlash.ShockwaveFlash").FlashVersion();
        		flashVersion=Math.floor(flashVersion / 0x10000);
		}
		
		if (!flashVersion)
		{
			if (nn && !document.plugins) flashVersion=false;
			else if ((nn || n6) && navigator.plugins) flashVersion=navigator.plugins["Shockwave Flash"].description.charAt(16);
			else flashVersion=false;
		}
	
		return  flashVersion;
}
/*

	PDFのプラグインチェック
	ある⇒true ない ⇒falsh
*/
function is_pdf(){
	
//	buf	=	(checkPlugin('application/pdf', ['AcroPDF.PDF.1', 'PDF.PdfCtrl.5']));
	buf	=	(checkPlugin('application/pdf', ['AcroPDF.PDF.1', 'PDF.PdfCtrl.8','PDF.PdfCtrl.7', 'PDF.PdfCtrl.6', 'PDF.PdfCtrl.5', 'PDF.PdfCtrl.4', 'PDF.PdfCtrl.3']));
//	'PDF.PdfCtrl.7', 'PDF.PdfCtrl.6', 'PDF.PdfCtrl.5', 'PDF.PdfCtrl.4', 'PDF.PdfCtrl.3', 
	return buf;
	
}


function get_flash_version() {

	 //FlashPleyerバージョン取得（マイナーバージョンを含む）

	 var version='0.0.0';
	 if(navigator.plugins && navigator.mimeTypes['application/x-shockwave-flash']){
	  var plugin=navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin;
	  // the code below is used in SWFObject
	  //var plugin=navigator.plugins['Shockwave Flash'];
	  if (plugin && plugin.description) {
	   // convert the description like 'Shockwave Flash 9.0 r28' into version string like '9.0.8';
	   // regex is provided by SWFObject
	   version=plugin.description.replace(/^[A-Za-z\s]+/, '').replace(/(\s+r|\s+b[0-9]+)/, ".");
	  }
	  
	 } else { // in the case of Win IE
	  var x='';
	  try {
	   // for ver.7 and later
	   var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
	   x=axo.GetVariable("$version");
	  } catch(e) {
	   try {
	    // for ver.6
	    axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
	    x="WIN 6,0,21,0";
	    /*
	     * GetVariable() crashes player version 6.0.22-29, and
	     * players which have those versions throws when access 
	     * to AllowScriptAccess
	     */
	    axo.AllowScriptAccess="always";
	    x=axo.GetVariable("$version");
	   } catch(e) {
	    if (!x.match(/^WIN/)) {
	     try {
	      // for 4.x,5.x
	      axo=null;
	      axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
	      // version 3 player throws when you call GetVariale().
	      x=axo.GetVariable("$version");
	     } catch(e) {
	      if (axo) {
	       // for 3.x
	       x="WIN 3,0,18,0";
	      } else {
	       try {
	        // for 2.x
	        axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
	        x="WIN 2,0,0,11";
	       } catch(e) {
	        x="WIN 0,0,0,0";
	       }
	      }
	     }
	    }
	   }
	  }
	  // convert ActiveX version string to our version string like '9.0.28'
	  version=x.replace(/^WIN /,'').replace(/,[0-9]+$/,'').replace(/,/g,'.');
	 }
	 // check version string format
	 // Quicktime enabled Safari returns a description in natural language
	 if (version.match(/^[0-9]+\.[0-9]+\.[0-9]+$/)) {
	  return version;
	 } else {
	  return '0.0.0';
	 }
}