< />< />< />function setCookie(cname,cvalue,exdays) {< /> var d = new Date();< /> d.setTime(d.getTime() + (exdays*24*60*60*1000));< /> var expires = "sona erdiği tarihi=" + d.toGMTString();< /> document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";< />}< />< />function getCookie(cname) {< /> var name = cname + "=";< /> var decodedCookie = decodeURIComponent(document.cookie);< /> var ca = decodedCookie.split(';');< /> for(var i = 0; i < ca.length; i++) {< /> var c = ca[i]; while (c.charAt(0) == ' ') { c = c.substring(1); } if (c.indexOf(name) == 0) { return c.substring(name.length, c.length); } } return "";}function checkCookie() { var user=getCookie("kullanýcý adý"); if (user != "") { alert("Tekrar hoş geldiniz " + user); } else { user = prompt("Lütfen adınızı girin:",""); if (user != "" && user != null) { setCookie("kullanýcý adý", user, 30); } }}< />