var lefturl = '<A href="http://www.treesintrust.com?ac=';
var righturl = '" target="_blank"><IMG src="http://www.treesintrust.com/images/links/link1.gif" border="0"></A>';
var leftlink = 'http://www.treesintrust.com?ac=';
var realchars = "abcdefghijklmnopqrstuvwxyz@.";
var encchars =  "wxyrsjkldefabcgh.mnoptuvq@zi";
// the above 2 strings must match those in supply

function encryptaccount() {
// called from the onchange of the account control on affiliates.shtm
// swaps any characters in realchars for characters from encchars and builds HTML for the affiliate links
  var inval = document.Form1.account.value.toLowerCase();
  var outval = "";
  var achar;
  var charcount;
  var poscount;
  for(var incount = 0; incount < inval.length; incount++) {
    achar = inval.substring(incount, incount + 1);
    for(poscount = 0; poscount < realchars.length; poscount++) {
      if(achar==realchars.substring(poscount, poscount + 1)) {
        achar = encchars.substring(poscount, poscount + 1);
        poscount = 99;
      }
    }
    outval = outval + achar;
  }
  document.Form1.pasteurl.value = lefturl + outval + righturl;
  document.Form1.pastelink.value = leftlink + outval;
  return true;
}