<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>