//Cas si l'ordinateur est un PC
if (navigator.platform.indexOf("Win")  != -1){
	if ((navigator.appName=="Netscape") && (parseInt(navigator.appVersion)==4)){
		document.write("<link rel='stylesheet' href='styles/ns.css'>");
	}else{
		document.write("<link rel='stylesheet' href='styles/ie.css'>");
	}
}//Cas d'un autre ordinateur
else if (navigator.platform.indexOf("Win") == -1){
	document.write("<link rel='stylesheet' href='styles/mac.css'>");
}
var isN6 = ((navigator.appName == "Netscape") && (navigator.userAgent.indexOf("Mozilla") != -1) && (parseFloat(navigator.appVersion) >= 5) && (navigator.javaEnabled())) ? true : false;

// Faire clignoter "recevez nos catalogues gratuitement"
// TEST Navigateur
window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var NS4 = (bName == "Netscape" && bVer >= 4);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
var NS3 = (bName == "Netscape" && bVer < 4);
var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
var blink_speed = 1700;
var i=0;
 
if (NS4 || IE4) {
if (navigator.appName == "Netscape") {
		layerStyleRef="layer.";
		layerRef="document.layers";
		styleSwitch="";
	}else{
		layerStyleRef="layer.style.";
		layerRef="document.all";
		styleSwitch=".style";
	}
}

// Clignotement
function Blink(layerName){
	if (NS4 || IE4) { 
		if(i%2==0){
			eval(layerRef+'["'+layerName+'"]'+
			styleSwitch+'.visibility="visible"');
		} else {
			eval(layerRef+'["'+layerName+'"]'+
			styleSwitch+'.visibility="hidden"');
		}
	} 

	if(i<1){
		i++;
	} else {
		i--
	}
	setTimeout("Blink('"+layerName+"')",blink_speed);
}