function setCookie(cookieName,cookieValue,snDays) {

 var nDays = parseInt(snDays);
 //alert("setCookie called");
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString();
}


function checkForCookie()
{
    var c_name = "isContentUnlocked";
    if (document.cookie.length>0)
      {
      c_start=document.cookie.indexOf(c_name + "=");
      if (c_start!=-1)
        { 
        c_start=c_start + c_name.length+1; 
        c_end=document.cookie.indexOf(";",c_start);
        if (c_end==-1) c_end=document.cookie.length;
            var cookieVal = unescape(document.cookie.substring(c_start,c_end));
            //return cookieVal;
			//alert("cookie exists");
            return true;
        } 
      }
	 //alert("cookie does not exist"); 
    return false;
}