function checkBrowser(){
	// Cette fonction transversale permet de recuperer toutes les infos du navigateur
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.nn = (this.ns4||this.ns5);
	this.ie = (this.ie5 || this.ie4 || this.dom);
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
function disp_cotis(idV,nbrId,num){
	var bw=new checkBrowser();
	if(bw.ns4){
		for(i=1;i<=nbrId;i++){
			idt="idN_" + i
			eval("document.layers." + idt + ".style.display='none'");
		}
		eval("document.layers." + idV + ".style.display=''");
	} 
	else if(bw.nn){
		for(i=1;i<=nbrId;i++){
			idt="idN_" + i
			eval("document.getElementById('" + idt + "').style.display='none'");
		}
		eval("document.getElementById('" + idV + "').style.display=''");
	} 
	else if(bw.ie) {
		for(i=1;i<=nbrId;i++){
			idt="idN_" + i
			eval("document.all['" + idt + "'].style.display='none'");
		}
		eval("document.all['" + idV + "'].style.display=''");
	}
	for(i=0;i<=document.frmMember.m_cotis.length-1;i++){
		document.frmMember.m_cotis[i].disabled=true;
	}
	document.frmMember.m_cotis[num].disabled=false;
	document.frmMember.profil_id[num].checked=true;
}