function setCookie(name,value,days,path,domain,secure){
var expires,date
if(typeof days=="number"){
date=new Date()
date.setTime(date.getTime()+(days*24*60*60*1000))
expires=date.toGMTString()}
document.cookie=name+"="+escape(value)+
((expires)? "; expires="+expires : "")+
((path)? "; path="+path : "")+
((domain)? "; domain="+domain : "")+
((secure)? "; secure" : "")}
function getCookie(name){
var nameq=name+"="
var c_ar=document.cookie.split(';')
for(var i=0;i<c_ar.length;i++){
var c=c_ar[i]
while(c.charAt(0)==' ')c=c.substring(1,c.length)
if(c.indexOf(nameq)==0)return unescape(c.substring(nameq.length,c.length))}
return null}
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"}}