function setcookie(name, value, expires, path, domain, secure) {    // Send a cookie
	    expires instanceof Date ? expires = expires.toGMTString() : typeof(expires) == 'number' && (expires = (new Date(+(new Date) + expires * 1e3)).toGMTString());
	    var r = [name + "=" + escape(value)], s, i;
	    for(i in s = {expires: expires, path: path, domain: domain}){
	        s[i] && r.push(i + "=" + s[i]);
	    }
	    return secure && r.push("secure"), document.cookie = r.join(";"), true;
	}
	
setcookie('informe_bcheck', '1');
document.write("<img src='bimg.jpg'>");