var isFlash = false;
  // Pour tous navigateurs sauf IE
  if (navigator.plugins && navigator.plugins.length > 0) {
     var pluginsArrayLength = navigator.plugins.length;
    // Pour chaque plugin du navigateur...
    for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) {
          if(navigator.plugins[pluginsArrayCounter].name.indexOf("Shockwave Flash") >= 0){ // Si 1 des plugins contient Shockwave Flash
       isFlash = true; // Alors flash player OK
         break;
        }
     }
    }    
function affichethemenu(isFlash) {
    if(isFlash){
	<!--document.getElementById('header').innerHTML = "<!--<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0' width='791' height='158' id='lecteur mp3' align='middle'><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='banniere.swf' /><param name='quality' value='high' /><param name='bgcolor' value='#ffffff' /></object>Test";-->  
        
		doc('header').innerHTML = "<embed src='banniere.swf' quality='high' bgcolor='#ffffff' width='789' height='158' name='banniere' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />";
		<!--document.write("<div id='header'><embed src='banniere.swf' quality='high' bgcolor='#ffffff' width='789' height='158' name='banniere' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' /></div>");-->
    }else{
         <!--document.write("<div id='header'><img alt='' src='design/banniere.png'/></div>"); -->
		doc('header').innerHTML = '<img alt="" src="design/banniere.png"/>';
		doc('boussole').innerHTML = '<img alt="" src="design/boussole.gif"/>';
   }
}
/*
<script language="JavaScript" type="text/javascript">
var isFlash = false;
  // Pour tous navigateurs sauf IE
  if (navigator.plugins && navigator.plugins.length > 0) {
     var pluginsArrayLength = navigator.plugins.length;
    // Pour chaque plugin du navigateur...
    for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) {
          if(navigator.plugins[pluginsArrayCounter].name.indexOf("Shockwave Flash") >= 0){ // Si 1 des plugins contient Shockwave Flash
       isFlash = true; // Alors flash player OK
         break;
        }
     }
    }    
</script>
*/