function GetCookie(f){var b=f+"=";var e=b.length;var a=document.cookie.length;var d=0;while(d<a){var c=d+e;if(document.cookie.substring(d,c)==b){return getCookieVal(c)}d=document.cookie.indexOf(" ",d)+1;if(d==0){break}}return null}function getCookieVal(b){var a=document.cookie.indexOf(";",b);if(a==-1){a=document.cookie.length}return unescape(document.cookie.substring(b,a))};