HTML Data Port

© 2005 Goetz Heller

The dataPort Object - JavaScript Source Code

/// dport.js

function dataPort(id, target) {

  var bd = document.body;
  var fr = (this.iFrame = document.createElement('iframe'));
//  fr.style.display='none';
  bd.appendChild(this.iFrame);
  var doc = this.iFrame.contentWindow.document;
  doc.open();
  var html = '
inner frame
';
  doc.write(html);
  doc.close();
  var frm = doc.createElement('form');
  this.form = doc.body.appendChild(frm);
  frm.method='post';
  frm.style.backgroundColor = '#aaaaaa';
  if (arguments.length > 0) {
    frm.id = id;
  }
  if (arguments.length > 1) {
    frm.action = target;
  }
  frm.innerHTML = '';
  var msg = 'iFrame.contentWindow.document\n=================\nid: '+ frm.id + '\n';
  var i = 0;
  for (var p in fr.contentWindow.document) {
    msg += ((i++%4==0) ? '\n' : '\t')+p.toString();
  }
  alert(msg);
}

dataPort.prototype.setTarget = function(target) {
  this.form.action = target;
}

function createDP() {
  var dp = new dataPort('testDp', 'http://www.seidenweich.de/sw_index.php');
}

function createDP2() {
  var dp = new dataPort('testDp2');
  dp.setTarget('http://www.seidenweich.de/sw_streetshops.php');
}