function VerificationNavigateur()
{
	this.Version=navigator.appVersion
	this.DOM=document.getElementById?1:0
	this.ie5=(this.Version.indexOf("MSIE 5")>-1 && this.DOM)?1:0;
	this.ie4=(document.all && !this.DOM)?1:0;
	this.ns5=(this.DOM && parseInt(this.Version) >= 5) ?1:0;
	this.ns4=(document.layers && !this.DOM)?1:0;
	this.Navigateur=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}

Navigateur=new VerificationNavigateur()