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.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";}}