function set_cookie(c,d,e){var b=new Date();var a=new Date();if(e==null||e==0){e=1}a.setTime(b.getTime()+3600000*24*e);document.cookie=c+"="+escape(d)+";expires="+a.toGMTString()+";path=/"}function get_cookie(a){cookie=" "+document.cookie;s=" "+a+"=";setStr=null;offset=0;end=0;offset=cookie.indexOf(s);if(offset!=-1){offset+=s.length;end=cookie.indexOf(";",offset);end=(end==-1)?cookie.length:end;setStr=unescape(cookie.substring(offset,end))}return(setStr)};