var he_contacts = {

callback_url : '',
get_contacts_url : 'he_contacts.php?',
message_allowed : 0,
emails_allowed : 0,
contacts : [],
last : 0,
title : '',
callback_function : '',

init : function( callback_url, message_allowed, last, get_contacts_url, emails_allowed, title, callback_function ) {
this.callback_url = callback_url;
this.message_allowed = message_allowed;
this.last = last;
this.title = title;
this.emails_allowed = emails_allowed;
if( get_contacts_url ) this.get_contacts_url = get_contacts_url;
this.callback_function = callback_function;

this.init_check_all();
},

link : function( title, callback_url, message_allowed ) {
javascript:TB_show(title, this.get_contacts_url + 'callback_url=' + callback_url + '&message_allowed=' + message_allowed + '&TB_iframe=true&height=460&width=580', '', './images/trans.gif');
},

open_form : function() {
javascript:TB_show(this.title, this.get_contacts_url + 'callback_url=' + urlencode(this.callback_url) + '&message_allowed=' + this.message_allowed + '&emails_allowed=' + this.emails_allowed + '&TB_iframe=true&height=460&width=580', '', './images/trans.gif');
},

get_more_contacts : function() {
var self = this;
if( self.last == -1 ) return;

$('he_contacts_loading').setStyle('display', 'block');
overlay_size('he_contacts_loading');

new Request.JSON({
method: 'get',
url: self.get_contacts_url + 'is_ajax=1&start=' + this.last,
onSuccess: function(response) {
$('he_contacts_loading').setStyle('display', 'none');
if( response.html_code )
{
var newDiv = document.createElement('div');
newDiv.innerHTML = response.html_code;
$('he_contacts_list').insertBefore(newDiv, document.getElementById('he_contacts_end_line'));
}

self.last = response.start;
if( !response.more )
{
$('he_contacts_more').set('class', 'more_disabled');
self.last = -1;
}
}
}).send();
},

choose_contact : function( contact_id ) {
if( this.contacts.indexOf(contact_id)==-1 ) { //add contact
$("contact_" + contact_id).addClass("active");
this.contacts[this.contacts.length] = contact_id;
}
else { //remove contact
$("contact_" + contact_id).removeClass("active");
this.contacts.splice(this.contacts.indexOf(contact_id), 1);
}
},

send : function() {
var self = this;
$('he_contacts_loading').setStyle('display', 'block');
overlay_size('he_contacts_loading');
var post_data = {'contacts_choosed': 1 , 'contacts': self.contacts.toString()}
if( this.emails_allowed ) post_data.emails = $('he_contacts_emails').value;

new Request.JSON({
method: 'get',
url: this.callback_url,
data: post_data,
onSuccess: function(response) {
$('he_contacts_loading').setStyle('display', 'none');
$('he_contacts_message').setStyle('display', 'block');
overlay_size('he_contacts_message');
$('he_contacts_message').getElement('.msg').innerHTML = response.message;
if( response.status ) {
if (typeof(self.callback_function) == "function")
{
self.callback_function();
}
setTimeout("parent.TB_remove();", 2500);
}
else {
setTimeout("$('he_contacts_message').setStyle('display', 'none');", 2500);
}
}
}).send();
},

init_check_all : function() {
this.$check_all = $('he_contacts_check_all');

if (!this.$check_all) {
return false;
}

this.$check_all.addEvent('mousedown', function() {
if (this.hasClass('he_checked')) {
this.removeClass('he_checked');
this.addClass('he_before_uncheck');
} else {
this.removeClass('he_unchecked');
this.addClass('he_before_check');
}
});

this.$check_all.addEvent('mouseup', function() {
if (this.hasClass('he_before_uncheck')) {
this.removeClass('he_before_uncheck');
this.addClass('he_unchecked');
} else {
this.removeClass('he_before_check');
this.addClass('he_checked');
}
});
},

check_all : function() {
var self = this;
var $items = $$('#he_contacts_list .item');

if (!this.$check_all || !$items || $items.length == 0) {
return false;
}

$items.removeClass('active');
this.contacts = [];

if (this.$check_all.hasClass('he_checked')) {
$items.each(function($item, index){
var item_id = $item.getProperty('id').substr(8).toInt();
self.contacts.push(item_id);
});

$items.addClass('active');
}
}
}