// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

function setLargeCookie(name, value) {
  var count = Math.floor(value.length / 1900) ;
  count = count + 1 ;
  setCookie( name + "_number" , count ) ;
  for (i=1 ; i<=count ; i++) {
     var start = (i-1) * 1900 ;
     var end = start + 1900 ;
     if ( end > value.length ) { end = value.length -1 }
     setCookie (name + "_" + i , value.substring(start , end) ) ;
  }
}

function getLargeCookie(name) {
  var parts = getCookie(name + "_number") ;
  if (!parts) { parts = 0 }
  value = "" ;
  for (i=1 ; i<=parts ; i++) {
     var this_part = getCookie(name + "_" + i) ;
     value += this_part ;
  }
  return value ;
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" + 
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
    date.setTime(date.getTime() - skew);
}



function addToOrder(dollID) {
  var soFar = getCookie("DancingElvesDolls");
  if (!soFar) {
    soFar= "" ;
  }
  orderNow = soFar + dollID  + ",";
  setCookie("DancingElvesDolls", orderNow);
}

function isInOrder(dollID) {
  var soFar = getCookie("DancingElvesDolls")  ;
  if (!soFar) {
    soFar= "" ;
  }
  var pos = soFar.indexOf(dollID);
  if (pos == -1 ) { 
    return false ;
  } else { 
    return true ;
  }
}