// navigateurs ?
var BROWSER_DETECTED = false;
var IE = false;
var IE8 = false;
var IE7 = false;
var IE6 = false;
var FF = false;
var WIN = false;
var MAC = false;


b = navigator.userAgent;
if(b.indexOf('Firefox') != -1)
{
	BROWSER_DETECTED = true; 
	FF = true;
}

if(b.indexOf('MSIE') != -1)
{
	BROWSER_DETECTED = true;
	IE = true;

	if(b.indexOf('MSIE 8') != -1)
		var IE8 = true;

	else if(b.indexOf('MSIE 7') != -1)
		var IE7 = true;
	
	else if(b.indexOf('MSIE 6') != -1)
		var IE6 = true;
}


if(b.indexOf('Win') != -1)
	var WIN = true;	

if(b.indexOf('Mac') != -1)
	var MAC = true;