/***********************************************************************
* Javascript file and functions for What's On Your Mind
* Created By Chris Michaelides aka grVulture
* http://www.axxis.gr - info@axxis.gr
* @copyright ajax.js Copyright (C) 2009  Axxis.gr / All rights reserved.
************************************************************************/
// load the appropriate xmlHttpRequest for IE or Mozilla
// this sniffer code can be found at
// http://jibbering.com/2002/4/httprequest.html
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) {
try {
  xmlHttp = new XMLHttpRequest();
}
catch (e) {
  xmlHttp=false;
  alert(e);
}
}
// end jibbering.com code

function mind_share(who)
{
var str = document.getElementById('mind_text').value;
var start_text = document.getElementById('start_text').value;
if (str==start_text) {str=''};

  if (strstr(document.getElementById('linkdiv').innerHTML,'<form')||strstr(document.getElementById('linkdiv').innerHTML,'<FORM')) document.getElementById('linkdiv').innerHTML = '';
	if (document.getElementById('linkdiv').innerHTML!='') {
	 str += '<br />'+document.getElementById('linkdiv').innerHTML;
	 document.getElementById('linkdiv').innerHTML='';
	}
  if (strstr(document.getElementById('imagediv').innerHTML,'<form')||strstr(document.getElementById('imagediv').innerHTML,'<FORM')) document.getElementById('imagediv').innerHTML = '';
	if (document.getElementById('imagediv').innerHTML!='') {
	  if (strstr(document.getElementById('imagediv').innerHTML,'<img')||strstr(document.getElementById('imagediv').innerHTML,'<IMG'))
  	   str += '<br />'+document.getElementById('imagediv').innerHTML;
  	document.getElementById('imagediv').innerHTML='';
  }
  if (strstr(document.getElementById('videodiv').innerHTML,'<form')||strstr(document.getElementById('videodiv').innerHTML,'<FORM')) document.getElementById('videodiv').innerHTML = '';
	if (document.getElementById('videodiv').innerHTML!='') {
  	str += '<br />'+document.getElementById('videodiv').innerHTML;
  	document.getElementById('videodiv').innerHTML='';
  }
	document.getElementById('mind_text').value = str;

var mind_text = document.getElementById('mind_text').value;
var myid = document.getElementById('mind_id').value;

if (mind_text==start_text) return;
if (mind_text=="") {
  document.getElementById('mind_text').value = start_text;
  return;
}

if (myid==who && !strstr(mind_text,'<embed') && !strstr(mind_text,'<img') && !strstr(mind_text,'<EMBED') && !strstr(mind_text,'<IMG')) document.getElementById('mind_header').innerHTML = '<span class="activity_status">'+mind_text+'</span>';

var mind_text = encodeURIComponent(document.getElementById('mind_text').value);
var grsite = document.getElementById('grsite').value;
var url = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/share.php';
  var usename_js = document.getElementById('usename').value;
    xmlMessage = 'myid='+myid+'&mind='+mind_text+'&other='+who+'&usename='+usename_js;
    xmlHttp.open("POST", url, false);
    // for ie compatability
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xmlHttp.send(xmlMessage);
    loadXMLmind('');
}

function loadXMLmind(url)
{
//==============================================================================
var data = xmlHttp.responseText;
var dirname = document.getElementById('grsite').value;
/*if (data>0) {
  document.getElementById('mind_header').innerHTML += ' <a href="javascript:deletemind('+data+')"><img src="'+dirname+'/components/com_comprofiler/plugin/user/plug_cbonyourmind/cancel.png" height="10" /></a>';
}*/
document.getElementById('mind_process').style.display = 'block';
//document.getElementById('mind_button').value = 'Shared!';
document.getElementById('mind_button').disabled = 'disabled';
document.getElementById('mind_text').disabled = 'disabled';
  var brs = navigator.appName;
  if (brs=='Microsoft Internet Explorer') {
    location.reload( true );  
    return;
  }
var mind_self = document.getElementById('mind_self').value;
//alert(mind_self);
if (document.getElementById('gr_iframe') != null) {
  window.frames['gr_iframe'].location = mind_self;
}
setTimeout(function(){
var start_text = document.getElementById('start_text').value;
if (document.getElementById('gr_iframe') != null) {
  if (!window.frames['gr_iframe'].document.getElementById('activity_wrapper')) {
    document.getElementById('mind_process').style.display = 'none';
    //document.getElementById('mind_button').value = 'Share';
    document.getElementById('mind_text').value = start_text;
    document.getElementById('mind_button').disabled = false;
    document.getElementById('mind_text').disabled = false;
    location.reload( true );
  } else {
    document.getElementById('activity_wrapper').innerHTML = window.frames['gr_iframe'].document.getElementById('activity_wrapper').innerHTML;
    document.getElementById('mind_process').style.display = 'none';
    //document.getElementById('mind_button').value = 'Share';
    document.getElementById('mind_text').value = start_text;
    document.getElementById('mind_button').disabled = false;
    document.getElementById('mind_text').disabled = false;
  }
} else { // CB SuperActivity Profile not installed
    document.getElementById('mind_process').style.display = 'none';
    //document.getElementById('mind_button').value = 'Share';
    document.getElementById('mind_text').value = start_text;
    document.getElementById('mind_button').disabled = false;
    document.getElementById('mind_text').disabled = false;
}
}, 5000);
//==============================================================================
}

function focus_blur() 
{
var mind_text = document.getElementById('mind_text').value;
var start_text = document.getElementById('start_text').value;
if (mind_text==start_text) document.getElementById('mind_text').value='';
else if (mind_text=="") document.getElementById('mind_text').value=start_text;
}

function deletemind(myid)
{
document.getElementById('mind_header').innerHTML = '';
var grsite = document.getElementById('grsite').value;
var url = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/delete.php';
    xmlMessage = 'myid='+myid;
    xmlHttp.open("POST", url, false);
    // for ie compatability
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xmlHttp.send(xmlMessage);
    //loadXMLmind('');
}


// the php script to process the form.  var must be global!
var grsite = document.getElementById('grsite').value;
var URLto = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/embedprocess.php';

// function to communicate with remote script
function send_post(theFormName) {
var grsite = document.getElementById('grsite').value;
var URLto = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/embedprocess.php';
    var xmlMessage = 'videoURL='+encodeURIComponent(document.getElementById('URL').value);
    xmlHttp.open("POST", URLto, false);
    // for ie compatability
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xmlHttp.send(xmlMessage);
}
function send_image(theFormName) {
var grsite = document.getElementById('grsite').value;
var URLto = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/embedprocess.php';
    var xmlMessage = 'imageURL='+encodeURIComponent(document.getElementById('imageURL').value);
    //xmlMessage += '&grsite='+encodeURIComponent(document.getElementById('grsite').value);
    xmlHttp.open("POST", URLto, false);
    // for ie compatability
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xmlHttp.send(xmlMessage);
}
function send_link(theFormName) {
var grsite = document.getElementById('grsite').value;
var URLto = grsite+'components/com_comprofiler/plugin/user/plug_cbonyourmind/embedprocess.php';
    var xmlMessage = 'linkURL='+encodeURIComponent(document.getElementById('URL').value);
    //alert(URLto+'?'+xmlMessage);
    xmlHttp.open("POST", URLto, false);
    // for ie compatability
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xmlHttp.send(xmlMessage);
}

function display_response(theDiv) {
    var optionDiv = document.getElementById(theDiv);
    optionDiv.innerHTML = xmlHttp.responseText;
    document.getElementById('imageformdiv').style.display = 'none';
    //alert(xmlHttp.responseText);
}

function Uploaded(what) {
    var optionDiv = document.getElementById('imagediv');
    optionDiv.innerHTML = what;
    //alert(what);
}

function fembedimage() {
  if (document.getElementById('imageformdiv').style.display == "block") document.getElementById('imageformdiv').style.display = "none";
  else document.getElementById('imageformdiv').style.display = "block"; 
  //'<form name="imageform" action="'+document.getElementById('grsite').value+'components/com_supermessenger/upload.php" target="upload_target" method="POST" enctype="multipart/form-data">'+link+'<br />'+upload+'<br />'+submit+hidden+grsite+'</form>';
}
function fembedvideo() {
  if (strstr(document.getElementById('videodiv').innerHTML,'<form')||strstr(document.getElementById('videodiv').innerHTML,'<FORM'))
    document.getElementById('videodiv').innerHTML = '';
  else 
    document.getElementById('videodiv').innerHTML = '<form name="videoform">'+document.getElementById('linkvideo').innerHTML+'</form>';
}
function fembedlink() {
  if (strstr(document.getElementById('linkdiv').innerHTML,'<form')||strstr(document.getElementById('linkdiv').innerHTML,'<FORM'))
    document.getElementById('linkdiv').innerHTML = '';
  else 
    document.getElementById('linkdiv').innerHTML = '<form name="videoform">'+document.getElementById('linklink').innerHTML+'</form>';
}

function strstr (haystack, needle, bool) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: strstr('Kevin van Zonneveld', 'van');
    // *     returns 1: 'van Zonneveld'
    // *     example 2: strstr('Kevin van Zonneveld', 'van', true);
    // *     returns 2: 'Kevin '
    // *     example 3: strstr('name@example.com', '@');
    // *     returns 3: '@example.com'
    // *     example 4: strstr('name@example.com', '@', true);
    // *     returns 4: 'name'
 
    var pos = 0;
    
    haystack += '';
    pos = haystack.indexOf( needle );
    if (pos == -1) {
        return false;
    } else{
        if (bool){
            return haystack.substr( 0, pos );
        } else{
            return haystack.slice( pos );
        }
    }
}