/***********************************************************/

var cartID;
function initializepage() {
   //Look for CartID in cookie first
   var cookies=document.cookie;
   cartID = getcartid("cartid", cookies, ";");
   //If cookies aren't enabled, first determine if customer is coming from an external site.  If so, a new
//CartID must be generated for them.  If they are changing pages within site, simply get the
   //CartID from the URL
   if (cartID==null) {
      if (document.referrer.substring (0, 21).toLowerCase() !== "http://www.nederm.org" | 
	document.referrer.substring (0, 22).toLowerCase() !== "https://www.nederm.org") {
         cartID=randomnum();
        }
      else {
         var URLcartid = new String(document.URL);
         cartID=getcartid("cartid", URLcartid, "&");
        }
      }
    //Append CartID to all links on the current page, regardless of whether cookies are enabled or not
    setlinks(cartID);
 }

function randomnum() {
      var TodaysDate=new Date();
      var rn = Math.floor(16000*Math.random()+1)+"-"+TodaysDate.getHours()+TodaysDate.getMinutes()+TodaysDate.getSeconds();
      return rn;
 }

function setlinks(v) {
       for (var i = 0; i < document.links.length; i++) {
       if ((document.links[i].href.indexOf("://www.nederm.org") !==-1) & (document.links[i].href.indexOf("#top") ==-1))
		{
              //Use the search property of the link object to append the CartID
              document.links[i].href += "&CartID=" + v
             }
         }
}

function getcartid(name, inputstring, trunc) {
        //Simply parses out CartID from either the cookie or URL passed to function
        inputstring = inputstring + trunc;
        inputstring = inputstring.toLowerCase();
        var start=inputstring.indexOf(name + "=");
        if (start>-1) {
             start=inputstring.indexOf("=", start)+1
           }
        var end = inputstring.indexOf(trunc, start);
        if (start==-1 || end==-1) {
              value=null
           }
        else {
              var value=unescape(inputstring.substring(start,end))
           }
        return value;
 }

/***********************************************************/