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){var today=new Date();today.setTime(today.getTime());if(expires){expires=expires*1000*60*60*24;}var expires_date=new Date(today.getTime()+(expires));document.cookie=name+"="+escape(value)+((expires)?";expires="+expires_date.toGMTString():"")+((path)?";path="+path:"")+((domain)?";domain="+domain:"")+((secure)?";secure":"");}function delCookie(name,path,domain){if(getCookie(name))document.cookie=name+"="+((path)?";path="+path:"")+((domain)?";domain="+domain:"")+";expires=Thu, 01-Jan-1970 00:00:01 GMT";}