function getExpDate(days,hours,minutes){var expDate=new Date();if(typeof days=="number"&&typeof hours=="number"&&typeof hours=="number"){expDate.setDate(expDate.getDate()+parseInt(days));expDate.setHours(expDate.getHours()+parseInt(hours));expDate.setMinutes(expDate.getMinutes()+parseInt(minutes));return expDate.toGMTString();}}
 function getCookieVal(offset){var endstr=document.cookie.indexOf(";",offset);if(endstr==-1){endstr=document.cookie.length;}
 return unescape(document.cookie.substring(offset,endstr));}
 function getCookie(name){var arg=name+"=";var alen=arg.length;var clen=document.cookie.length;var i=0;while(i<clen){var j=i+alen;if(document.cookie.substring(i,j)==arg){return getCookieVal(j);}
 i=document.cookie.indexOf(" ",i)+1;if(i==0)break;}
 return null;}
 function setCookie(name,value,expires,path,domain,secure){document.cookie=name+"="+escape(value)+
 ((expires)?"; expires="+expires:"")+
 ((path)?"; path="+path:"")+
 ((domain)?"; domain="+domain:"")+
 ((secure)?"; secure":"");}
 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";}}