var requiredMajorVersion = 8;
 var requiredMinorVersion = 0;
 var requiredRevision = 22;
 var jsVersion = 1.0;

 <!-- //
 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;
 jsVersion = 1.1;
 function JSGetSwfVer(i){
    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;
          descArray = flashDescription.split(" ");
          tempArrayMajor = descArray[2].split(".");
          versionMajor = tempArrayMajor[0];
          versionMinor = tempArrayMajor[1];
          if ( descArray[3] != "" ) {
             tempArrayMinor = descArray[3].split("r");
          } else {
             tempArrayMinor = descArray[4].split("r");
          }
             versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
             flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
          } else {
          flashVer = -1;
       }
    }
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
    else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
    else {
       
       flashVer = -1;
    }
    return flashVer;
 }
 function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
 {
    reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	 
    for (i=25;i>0;i--) {   
       if (isIE && isWin && !isOpera) {
          versionStr = VBGetSwfVer(i);
       } else {
          versionStr = JSGetSwfVer(i);      
       }
       if (versionStr == -1 ) {
          return false;
       } else if (versionStr != 0) {
          if(isIE && isWin && !isOpera) {
             tempArray         = versionStr.split(" ");
             tempString        = tempArray[1];
             versionArray      = tempString .split(",");            
          } else {
             versionArray      = versionStr.split(".");
          }
          versionMajor      = versionArray[0];
          versionMinor      = versionArray[1];
          versionRevision   = versionArray[2];
          
          versionString     = versionMajor + "." + versionRevision;   
          versionNum        = parseFloat(versionString);
		 
          if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				
             return true;
          } else {
             return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );   
          }
       }
    }   
 }

 function MostrarFlash(width, height, ruta){
 var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
 if (hasReqestedVersion) {  // Si detectamos que la version es la correcta
    var oeTags = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'
     + 'width='+width+' height='+height+''
     + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
     + '<param name="movie" value='+ruta+' /><param name="quality" value="high" /><param name="bgcolor" value="#FFFFFF" />'
     +'<param name=menu value="false">'
	 + '<embed src='+ruta+' quality="high" bgcolor="#FFFFFF" '
     + 'width='+width+' height='+height+' name="detectiontest" aligh="middle"'
     + 'play="true"'
     + 'loop="false"'
     + 'quality="high"'
     + 'allowScriptAccess="sameDomain"'
     + 'type="application/x-shockwave-flash"'
     + 'pluginspage="http://www.macromedia.com/go/getflashplayer">'
     + '<\/embed>'
     + '<\/object>';
     document.write(oeTags);   
   } else {  
	
	  var alternateContent = '<BR><BR><BR><BR><BR><BR><a href="http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash&Lang=Spanish&P5_Language=Spanish"><CENTER><IMG SRC="aviso-flash.gif" border=0></CENTER></a>' 
     
	 document.write(alternateContent);  
 
   }

 // -->
 }