// Copyright 2001 Idocs.com      
// Distribute this script freely, but keep this notice in place

// backlink object initializer
function backlink() {
  this.text = '<< back';
  this.type = 'link';
  this.write = backlink_write;
  this.form = true;
}


// write method
function backlink_write() {
  if (! window.history) return;
  if (window.history.length == 0)return;

  this.type = this.type.toLowerCase();
  if (this.type == 'button') {
    if (this.form)
      document.write('<FORM>');
    document.write('<INPUT TYPE=BUTTON onClick="history.back(-1)" VALUE="', this.text, '"');
    if (this.otheratts) document.write(' ', this.otheratts);
    document.write('>');
    if (this.form)document.write('<\/FORM>');
  } else {
    document.write('<A HREF="javascript:history.back(-1)"');
    if (this.otheratts)
      document.write(' ', this.otheratts);
    document.write('>');
    if (this.type == 'image' || this.type == 'img') {
      document.write('<img SRC="', this.src, '" ALT="', this.text, '"');
      if (this.width) document.write(' WIDTH=', this.width);
      if (this.height) document.write(' HEIGHT=', this.height);
      if (this.otherimgatts) document.write(' ', this.otherimgatts);
      document.write(' BORDER=0 />');
    }
    else
      document.write(this.text);
    document.write('<\/A>');
  }
}