addLoadListener(initEvents);

function initEvents()
{
  var sc = document.getElementById("linkShowSTF");
  attachEventListener(sc, "click", showSTF, false);

  var ls = document.getElementById("libraryShowSTF");
  if(ls)attachEventListener(ls, "click", showLSTF, false); 
  
  var cc = document.getElementById("linkCloseSTF");
  attachEventListener(cc, "click", closeSTF, false);
  
  var bt = document.getElementById("stfSubmitLink");
  attachEventListener(bt, "click", submitSTF, false);
  
  return true;
}
function showSTF(event){ 

  var s = document.getElementById("send_to_friend");  
  s.style.display = "block";
  s.style.visibility = "visible";  

  return true;
}
function showLSTF(event){ 

  var s = document.getElementById("send_to_friend");  
  s.style.display = "block";
  s.style.visibility = "visible";  

  return true;
}
function closeSTF(event){ 

  var s = document.getElementById("send_to_friend");  
  s.style.display = "none";
  s.style.visibility = "hidden";  

  return true;
}
function submitSTF(event){ 
  
	sendToFriend();

  return true;
}
var isHTTPWorking = false;

var http = getHTTPObject();

function handleHttpResponse() {
  if (http.readyState == 4) {
	  document.getElementById('stfSubmitLink').style.color='#000';
	  document.getElementById('stfSubmitLink').style.fontWeight='bold';	  
	  document.getElementById('stfSubmitLink').style.textDecoration='none';	  
	  document.getElementById('stfSubmitLink').innerHTML = http.responseText;
      isHTTPWorking = false;
  }
}
function sendToFriend() {
  if (!isHTTPWorking && http) {
    http.open("GET", "email_post.php?StfFirstName=" + escape(document.getElementById("StfFirstName").value) + "&StfLastName=" + escape(document.getElementById("StfLastName").value) + "&StfEmailAddress=" + escape(document.getElementById("StfEmailAddress").value) + "&StfFriendFirstName=" + escape(document.getElementById("StfFriendFirstName").value) + "&StfFriendLastName=" + escape(document.getElementById("StfFriendLastName").value) + "&StfFriendEmailAddress=" + escape(document.getElementById("StfFriendEmailAddress").value),true);
    http.onreadystatechange = handleHttpResponse;
    isHTTPWorking = true;
    http.send(null);
  }
}
function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}

function getEventTarget(event)
{
  var targetElement = null;

  if (typeof event.target != "undefined")
  {
    targetElement = event.target;
  }
  else
  {
    targetElement = event.srcElement;
  }

  while (targetElement.nodeType == 3 && targetElement.parentNode != null)
  {
    targetElement = targetElement.parentNode;
  }

  return targetElement;
}

function attachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.addEventListener != "undefined")
  {
    target.addEventListener(eventType, functionRef, capture);
  }
  else if (typeof target.attachEvent != "undefined")
  {
    target.attachEvent("on" + eventType, functionRef);
  }
  else
  {
    eventType = "on" + eventType;

    if (typeof target[eventType] == "function")
    {
      var oldListener = target[eventType];

      target[eventType] = function()
      {
        oldListener();

        return  functionRef();
      }
    }
    else
    {
      target[eventType] = functionRef;
    }
  }

  return true; 
}

function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}

/* ---------------------------------
YAHOO.namespace("TJT");

YAHOO.TJT.pageInit = function(){
	YAHOO.TJT.stfOverlay = new YAHOO.widget.Overlay("send_to_friend", { fixedcenter:false,
					visible:false, effect:{effect:YAHOO.widget.ContainerEffect.FADE,duration:0.25} } );
															
	YAHOO.TJT.stfOverlay.render();
	YAHOO.util.Dom.setStyle("send_to_friend","display","block");
}


YAHOO.TJT.showSTF = function(){
	YAHOO.TJT.stfOverlay.show();
}

YAHOO.TJT.closeSTF = function(){
	YAHOO.TJT.stfOverlay.hide();
}

YAHOO.TJT.submitSTF = function(){
	var formObject = YAHOO.util.Dom.get('stfForm');
	YAHOO.util.Connect.setForm(formObject); 
	YAHOO.util.Dom.get('sendToFriendForm').innerHTML = '<div id="pleaseWait">Please wait...</div>';
	var sUrl = '/contacts/send_to_friend/';
	var transaction = YAHOO.util.Connect.asyncRequest('POST', sUrl, submitSTFCallback);
}

YAHOO.TJT.resetForm = function (){
	YAHOO.util.Dom.get('StfFriendFirstName').value = '';
	YAHOO.util.Dom.get('StfFriendLastName').value = '';
	YAHOO.util.Dom.get('StfFriendEmailAddress').value = '';
}

var submitSTFCallback = {
	success: function(response) {
		YAHOO.util.Dom.get('sendToFriendForm').innerHTML = response.responseText;
		if(YAHOO.util.Dom.inDocument('StfSuccess')){
			YAHOO.TJT.resetForm();
		}
		YAHOO.util.Event.addListener("stfSubmitLink","click",YAHOO.TJT.submitSTF);
	}, 
	failure: function(response) {
		alert('Request failed');	
	}
}


YAHOO.util.Event.addListener(window,"load",YAHOO.TJT.pageInit);

YAHOO.util.Event.addListener("linkShowSTF","click",YAHOO.TJT.showSTF);
YAHOO.util.Event.addListener("linkCloseSTF","click",YAHOO.TJT.closeSTF);
YAHOO.util.Event.addListener("stfSubmitLink","click",YAHOO.TJT.submitSTF);
YAHOO.util.Event.addListener("libraryShowSTF","click",YAHOO.TJT.showSTF);
	
----------------------------------- */