function WriteCookie(name, value)
{

var argv=WriteCookie.arguments;
var argc=WriteCookie.arguments.length;
var expires=(argc > 2) ? argv[2] : null;
var maintenant = new Date();
var temps = new Date(maintenant.getTime() + 1000*60*60*24*365);
var path=(argc > 3) ? argv[3] : null;
var domain=(argc > 4) ? argv[4] : null;
var secure=(argc > 5) ? argv[5] : false;
document.cookie=name+"="+escape(value)+
((expires==null) ? "" : ("; expires="+temps.toGMTString()))+
((path==null) ? "" : ("; path="+path))+
((domain==null) ? "" : ("; domain="+domain))+
((secure==true) ? "; secure" : "");

}

function getCookieVal(offset)
{

var endstr=document.cookie.indexOf (";", offset);
if (endstr==-1) endstr=document.cookie.length;
return unescape(document.cookie.substring(offset, endstr)); 
}

function ReadCookie(nom)
{

var arg=nom+"=";
var alen=arg.length;
var clen=document.cookie.length;
var i=0;
while (i<clen)
{

var j=i+alen;
if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
i=document.cookie.indexOf(" ",i)+1;
if (i==0) break;


}
return null; 
}