function setcookie(name,value){
var Days = 30;
var exp  = new Date();
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() +"; path=" + "/" ;
}
function getcookie(name){
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)")); 
if(arr != null){return unescape(arr[2]);} else {return "";}
}
function login(){ 
setcookie("author",document.getElementById('author').value); 
setcookie("email",document.getElementById('email').value); 
setcookie("url",document.getElementById('url').value); 
} 
function loadcookies(){
document.getElementById("author").value = getcookie("author");
document.getElementById("email").value = getcookie("email");
document.getElementById("url").value = getcookie("url");
}
if (document.cookie != "") {loadcookies();}
function delCookie(name){
var exp = new Date(); 
exp.setTime(exp.getTime() - 1); 
var cval=getCookie(name); 
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString(); 
}