function createCookie(name,value,days) {
var expires = "";
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
expires = "; expires="+date.toGMTString();
}
document.cookie = name+"="+value+expires+"; path=/";
}

function createCookieWithDomain(name,value,days,domain) {
var expires = "";
var domainStr = "";
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
expires = "; expires="+date.toGMTString();
}
if (domain) {
domainStr = "; domain="+domain;
}
document.cookie = name+"="+value+expires+domainStr+"; path=/";
}

function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}

function eraseCookie(name) {
createCookie(name,"",-1);
}

function readDFPCookie(name) {
var nameEQ = "doubleclickserved=" + name;
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) {return true;}
}
return null;
}

function checkViewed(adID) {
var currentCookie = readDFPCookie(adID);
var returnValue;
if (currentCookie) {
returnValue = 'yes';
} else {
createCookie('doubleclickserved',adID,1);
returnValue = 'no';	
}
return returnValue;
}

function cookieEncode(value) {
if (value== null || value== "")
return "";
var keyStr = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/=";
var output = "";
var char1, char2, char3;
var enc1, enc2, enc3, enc4;
var i = 0;
do {
char1 = value.charCodeAt(i++);
char2 = value.charCodeAt(i++);
char3 = value.charCodeAt(i++);
enc1 = char1 >> 2;
enc2 = ((char1 & 3) << 4) | (char2 >> 4);
enc3 = ((char2 & 15) << 2) | (char3 >> 6);
enc4 = char3 & 63;
if (isNaN(char2)) {
enc3 = enc4 = 64;
} else if (isNaN(char3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
keyStr.charAt(enc3) + keyStr.charAt(enc4);
} while (i < value.length);
return output;
}

function cookieDecode(value) {
if (value== null || value== "")
return "";
var keyStr = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/=";
var output = "";
var char1, char2, char3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;
value = value.replace(/[^A-Za-z0-9\+\/\=]/g, "");
do {
enc1 = keyStr.indexOf(value.charAt(i++));
enc2 = keyStr.indexOf(value.charAt(i++));
enc3 = keyStr.indexOf(value.charAt(i++));
enc4 = keyStr.indexOf(value.charAt(i++));
char1 = (enc1 << 2) | (enc2 >> 4);
char2 = ((enc2 & 15) << 4) | (enc3 >> 2);
char3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(char1);
if (enc3 != 64) {
output = output + String.fromCharCode(char2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(char3);
}
char1 = char2 = char3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < value.length);
return output;
}


function readCvalue(cookie, name) {
var nameEQ = name + ":";
var ca = cookie.split('|');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) 
return c.substring(nameEQ.length,c.length);
}
return null;
}

function addCvalue(cookie,name,value) {
var nameEQ = name + ":";
if (cookie)
cookie = cookie + "|" + nameEQ + value;
else
cookie = nameEQ + value;
return cookie;
}

function makeSessionFrame() {
var iframeHTML='\<iframe id="SessionIFrame" src="/services/site/registration/get-session" style="';
iframeHTML+='border:0px;';
iframeHTML+='width:0px;';
iframeHTML+='height:0px;';
iframeHTML+='"><\/iframe>';
document.getElementById('sessionchk').innerHTML=iframeHTML;
}