function getCookie(name){var start=document.cookie.indexOf(name+'=');var len=start+name.length+1;if((!start)&&(name!=document.cookie.substring(0,name.length)))
return null;if(start==-1)
return null;var end=document.cookie.indexOf(';',len);if(end==-1)end=document.cookie.length;return unescape(document.cookie.substring(len,end));}function setCookie(name,value,expires,path,domain,secure){document.cookie=name+'='+escape(value)+((expires)?';expires='+expires.toGMTString():'')+((path)?';path='+path:'')+((domain)?';domain='+domain:'')+((secure)?';secure':'');if(document.cookie)
return true;else
return false;}function deleteCookie(name,path,domain){if(getCookie(name)){document.cookie=name+'='+((path)?';path='+path:'')+((domain)?';domain='+domain:'')+';expires=Thu, 01-Jan-1970 00:00:01 GMT';}if(document.cookie)
return false;else
return true;}