<SCRIPT>  
<!--  
var caution = false  
function setCookie(name, value, expires, path, domain, secure) {  
    var curCookie = name + "=" + escape(value) +  
    ((expires) ? "; expires=" + expires.toGMTString() : "") +  
    ((path) ? "; path=" + path : "") +  
    ((domain) ? "; domain=" + domain : "") +  
    ((secure) ? "; secure" : "")  
    if (!caution || (name + "=" + escape(value)).length <= 4000)  
    document.cookie = curCookie  
    else  
    if (confirm("Cookie exceeds 4KB and will be cut!"))  
    document.cookie = curCookie  
}  

function getCookie(name) {  
    var prefix = name + "="  
    var cookieStartIndex = document.cookie.indexOf(prefix)  
    if (cookieStartIndex == -1)  
    return null  
    var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)  
    if (cookieEndIndex == -1)  
    cookieEndIndex = document.cookie.length  
    return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))  
}  

function deleteCookie(name, path, domain) {  
    if (getCookie(name)) {  
    document.cookie = name + "=" +    
    ((path) ? "; path=" + path : "") +  
    ((domain) ? "; domain=" + domain : "") +  
    "; expires=Thu, 01-Jan-70 00:00:01 GMT"  
    }  
}  

function fixDate(date) {  
    var base = new Date(0)  
    var skew = base.getTime()  
    if (skew > 0)  
    date.setTime(date.getTime() - skew)  
}  

var now = new Date()  
fixDate(now)  
now.setTime(now.getTime() + 31 * 24 * 60 * 60 * 1000)  
var name = getCookie("name")  
if (!name)  
    name = prompt("Введите своё имя:", "John Doe")  
setCookie("name", name, now)  
document.write("Здраствуйте " + name + "!")  

// -->  
</SCRIPT>