TpeForms = {}

TpeForms.btnToggle = function(el) {
	var btn
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
		var inputs = document.getElementsByTagName("input");
		for (i = 0; i < inputs.length; i++) {
		  if (inputs[i].className == 'toggle_btn') {
			 btn = inputs[i];
		  }
	  }
	} else {
		btn = el.down('.toggle_btn') || el
	}

  if (typeof btn == 'undefined')
    return

  var lValue = btn.readAttribute('value')
  btn.writeAttribute('value', btn.readAttribute('rel'))
  btn.writeAttribute('rel', lValue)

  if (btn.readAttribute('disabled') != null) {
    btn.writeAttribute('disabled', null)
    btn.removeClassName('disabled')
  }
  else {
    btn.writeAttribute('disabled', 'disabled')
    btn.addClassName('disabled')
  }
}