var agt=navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();
var aff = false;
var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
if (is_win){
	//test Navigateur supportant le Flash Transparent
	var iePos = appVer.indexOf('msie');
	if (iePos!=-1) {
		is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
		is_major = parseInt(is_minor);
		if (is_major>=6){ aff=true; }
	} else {
		aff=false;
	}
}