function IsCookies(){return(navigator.cookieEnabled==0)}
function setCookie(name,value,expires,path,domain,secure)
{if(IsCookies())return null;if(!expires){var curDate=new Date();curDate.setTime(curDate.getTime()+(24*60*60*1000));expires=curDate;}
document.cookie=name+"="+escape(value)+
((expires)?"; expires="+expires.toGMTString():"")+
((path)?"; path="+path:"")+
((domain)?"; domain="+domain:"")+
((secure)?"; secure":"");}
function getCookie(name)
{if(IsCookies())return null;var dc=document.cookie;var prefix=name+"=";var begin=dc.indexOf("; "+prefix);if(begin==-1){begin=dc.indexOf(prefix);if(begin!=0)return null}
else begin+=2;var end=document.cookie.indexOf(";",begin);if(end==-1)end=dc.length;return unescape(dc.substring(begin+prefix.length,end));}
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";}}