function writeSessionCookie(cookieName,cookieValue){if(testSessionCookie()){document.cookie=escape(cookieName)+"="+escape(cookieValue)+"; path=/";return true;}
else return false;}
function getCookieValue(cookieName){var exp=new RegExp(escape(cookieName)+"=([^;]+)");if(exp.test(document.cookie+";")){exp.exec(document.cookie+";");return unescape(RegExp.$1);}
else return false;}
function testSessionCookie(){document.cookie="testSessionCookie=Enabled";if(getCookieValue("testSessionCookie")=="Enabled")
return true
else
return false;}
function testPersistentCookie(){writePersistentCookie("testPersistentCookie","Enabled","minutes",1);if(getCookieValue("testPersistentCookie")=="Enabled")
return true
else
return false;}
function writePersistentCookie(CookieName,CookieValue,periodType,offset){var expireDate=new Date();offset=offset/1;var myPeriodType=periodType;switch(myPeriodType.toLowerCase()){case"years":expireDate.setYear(expireDate.getFullYear()+offset);break;case"months":expireDate.setMonth(expireDate.getMonth()+offset);break;case"days":expireDate.setDate(expireDate.getDate()+offset);break;case"hours":expireDate.setHours(expireDate.getHours()+offset);break;case"minutes":expireDate.setMinutes(expireDate.getMinutes()+offset);break;default:alert("Invalid periodType parameter for writePersistentCookie()");break;}
document.cookie=escape(CookieName)+"="+escape(CookieValue)+"; expires="+expireDate.toGMTString()+"; path=/";}
function deleteCookie(cookieName){if(getCookieValue(cookieName))writePersistentCookie(cookieName,"Pending delete","years",-1);return true;}