function $Browser()
{
    this.isOpera = false;
    this.isFirefox = false;
    this.isIE = false;
    this.isMozilla = false;
    this.version = '';
}
var ua = navigator.userAgent.toLowerCase();
if (ua.indexOf('opera') != -1) { $Browser.isOpera = true; } 
else if (ua.indexOf('firefox') != -1) { $Browser.isFirefox = true; } 
else if (ua.indexOf('msie') != -1) { $Browser.isIE = true; } 
else if (ua.indexOf('mozilla') != -1) { $Browser.isMozilla = true; }

function SetCookie(cookie, str) {
 document.cookie = cookie+"="+escape(str)+"; path=/; expires=Fri, 01-Jan-4010 00:00:00 GMT";
 //document.cookie = escape(cookie)+"="+escape(str)+"; path=/; expires=Fri, 01-Jan-2010 00:00:00 GMT";
}