function getCookieVal(offset)
{var endstr=document.cookie.indexOf(";",offset);if(endstr==-1)
endstr=document.cookie.length;return unescape(document.cookie.substring(offset,endstr));}
function FixCookieDate(date){var base=new Date(0);var skew=base.getTime();if(skew>0)
date.setTime(date.getTime()-skew);}
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.toGMTString():"")+
((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";}}