var Prototype = {
  Version: '1.6.0',
  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  }
}
function cache(idf) {
	  if (document.getElementById) {
		  document.getElementById(idf).style.visibility="hidden";
		} else if (document.all) {
		  document.all[idf].style.visibility="hidden";
		} else if (document.layers) {
		  document.layers[idf].visibility="hidden";
		}
}
if (Prototype.Browser.Opera) {document.write(
'<div align="center" ID="message" style="width:300px; height:196px; position:absolute; z-index:100;'
+'top:100px; left:120px; font-weight:bold; color:#D90000;  padding:8px;'
+'border:5px double #6600CC; background:#FFFFF0;">'
+'Vous utilisez le navigateur Opera !<br>'
+'Pour terminer le chargement de la page,<br>'
+'veuillez cliquez deux fois sur le bouton<br>'
+'\"Arr&ecirc;ter-Recharger\" de votre navigateur.<br>________<br><br>'
+'You use the Opera browser!<br>'
+'To finish loading the page,<br>'
+'please click twice on the \"Stop-Reload\"<br>'
+'button of your browser.</div> ' )}