function GetCookieValue(cookieName) 
{
  var cookiename = cookieName + '=';
  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(cookiename) == 0) return c.substring(cookiename.length,c.length);
  }
  return null;
}

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

function DeleteCookie(name, path, domain) 
{
if ( GetCookieValue( name ) ) document.cookie = name + "=" + ( ( path ) ? ";path=" + path : "") +( ( domain ) ? ";domain=" + domain : "" ) +";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function GetQueryStringItem(name)
{
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");  
	var regexS = "[\\?&]" + name + "=([^&#]*)";  
	var regex = new RegExp( regexS );  
	var results = regex.exec( window.location.href );  
	results = results	
	if( results == null ) 
	return "";  
	else 
	 return results[1];
}

function setCookieWithKeys(expiredays) {
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  cookieValue = "Campaign=4bd35307-dd5d-4aaf-a460-ab863f9188f5&visitdate=" + exdate;
  document.cookie = "MarketingCampaign" + "=" + cookieValue + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}

function setCookieWithKeysB() {
  var exdate = new Date();
  var expiredays = 10;
  exdate.setDate(exdate.getDate() + expiredays);
  var campaignName = 'rwblog';
  cookieValue = "Campaign=" + campaignName + "&visitdate=" + exdate;
  var cookieName = 'CampaignReferrer';
  document.cookie = cookieName + "=" + cookieValue + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()) + ";path=/";
}