/*

Copyright (c) 2009 Anant Garg (anantgarg.com | inscripts.com)

This script may be used for non-commercial purposes only. For any
commercial purposes, please contact the author at 
anant.garg@inscripts.com

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/
var chatFile = '/chat/chat.php';
var windowFocus = true;
var username;
var chatHeartbeatCount = 0;
var statusUpdateInterval = 5000;
var minChatHeartbeat = 1000;
var maxChatHeartbeat = 33000;
var chatHeartbeatTime = minChatHeartbeat;
var originalTitle;
var blinkOrder = 0;
var textInputBoxHeight = 19;
var maxTextInputBoxHeight = 19;
var textInputBoxFont = 12;
var chatTabsHeight = 60;

var chatboxFocus = new Array();
var newMessages = new Array();
var newMessagesCnt = new Array();
var newMessagesWin = new Array();
var chatBoxes = new Array();

$(document).ready(function(){
	originalTitle = document.title;
	//startChatSession();
	$([window, document]).blur(function(){
		windowFocus = false;
	}).focus(function(){
		windowFocus = true;
		document.title = originalTitle;
	});
	configureHistoryDialog();
	getOnlineUsers();

});

$(window).unload(function(){
	$.get(chatFile+'?action=setoffline');
});

function restructureChatBoxes() {
	align = 0;
	for (x in chatBoxes) {
		chatboxtitle = chatBoxes[x];

		if ($("#chatbox_"+chatboxtitle).css('display') != 'none') {
			if (align == 0) {
				$("#chatbox_"+chatboxtitle).css('right', '20px');
			} else {
				width = (align)*(225+7)+20;
				$("#chatbox_"+chatboxtitle).css('right', width+'px');
			}
			align++;
		}
	}
}

function chatWith(chatuser) {
	createChatBox(chatuser);
	$("#contact_list_dialog").tabs('select','#ui-tab-'+chatuser);
	var li_size=$("ul li").size();
	if(li_size==2){
		$('.ui-tabs-nav').css('background-position','-100px 0px');
	}
	else if(li_size==3){
		$('.ui-tabs-nav').css('background-position','-200px 0px');
	}
	else if(li_size>3 && li_size<7){
		$('.ui-tabs-nav').css('background-position','0px 0px');
	}
	else if(li_size==7){
		$('.ui-tabs-nav').css('background-position','-100px 0px');
	}
	else if(li_size>7){
		if((li_size+3)%3==1)
		{
			$('.ui-tabs-nav').css('background-position','-100px 0px');
		}
		else if((li_size+3)%3==2)
		{
			$('.ui-tabs-nav').css('background-position','-200px 0px');
		}
		else if((li_size+3)%3==0)
		{
			$('.ui-tabs-nav').css('background-position','0px 0px');
		}
	}
}

function selectTab(){
	if($("ul li").size()==2){
		$('.ui-tabs-nav').css('background-position','-75px 0px');
	}
	else if($("ul li").size()!=1){		
		$('.ui-tabs-nav').css('background-position','-150px 0px');
	}
}

function ActionMan(id){
		var li_size=$("ul li").size();
		if($('li').eq(0).hasClass('ui-state-hover'))
		{
			$('.ui-tabs-nav').css('background-position','-150px 0px');
		}
		if($('li').eq(1).hasClass('ui-state-hover'))
		{
			if(li_size==2)
			{
				$('.ui-tabs-nav').css('background-position','-100px 0px');
			}
			else
			{
				$('.ui-tabs-nav').css('background-position','-175px 0px');
			}
		}
		if($('li').eq(2).hasClass('ui-state-hover'))
		{
			$('.ui-tabs-nav').css('background-position','-200px 0px');
		}
		
		if(li_size==7)
		{
			if($('li').eq(3).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-75px 0px');
			}
			if($('li').eq(4).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-100px 0px');
			}
		}
		else if(li_size==8)
		{
			var first=li_size-5;
			var second=li_size-4;
			var third=li_size-3;
			
			if($('li').eq(first).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-150px 0px');
			}
			if($('li').eq(second).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-175px 0px');
			}
			if($('li').eq(third).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-200px 0px');
			}			
		}
		else if(li_size==9)
		{
			var first=li_size-6;
			var second=li_size-5;
			var third=li_size-4;
			var fourth=li_size-3;
			
			if($('li').eq(first).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-150px 0px');
			}
			if($('li').eq(second).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-175px 0px');
			}
			if($('li').eq(third).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-200px 0px');
			}
			if($('li').eq(fourth).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','0px 0px');
			}

		}
		else if(li_size==10)
		{
			var first=li_size-7;
			var second=li_size-6;
			var third=li_size-5;
			var fourth=li_size-4;
			var fifth=li_size-3;
			
			if($('li').eq(first).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-150px 0px');
			}
			if($('li').eq(second).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-175px 0px');
			}
			if($('li').eq(third).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-200px 0px');
			}
			if($('li').eq(fourth).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-75px 0px');
			}
			if($('li').eq(fifth).hasClass('ui-state-hover'))
			{
				$('.ui-tabs-nav').css('background-position','-100px 0px');
			}

		}
}

function moveBack(){
	if($("ul li").size()<7){
		$('.ui-tabs-nav').css('background-position','0px 0px');
	}
	else if($("ul li").size()==7){
		$('.ui-tabs-nav').css('background-position','-100px 0px');
	}
	else{
		$('.ui-tabs-nav').css('background-position','-150px 0px');
	}
}
function moveForward(){
	/*var len=$('ul li').size()-2;
	alert(len);*/
	if($("ul li").size()>=6){
		$('.ui-tabs-nav').css('background-position','-200px 0px');
	}
	/*
	else if($("ul li").size()==7){
		$('.ui-tabs-nav').css('background-position','-200px 0px');
	}
	*/
}

function createChatBox(chatboxtitle,minimizeChatBox) {
	if ($("#chatbox_"+chatboxtitle).length > 0) {
		
		$('#contact_list_dialog').tabs('select','#ui-tab-'+chatboxtitle);
		
		if ($("#chatbox_"+chatboxtitle).css('display') == 'none') {
			$("#chatbox_"+chatboxtitle).css('display','block');
			//restructureChatBoxes();
		}
		$("#chatbox_"+chatboxtitle+" .chatboxinput").focus();
		return;
	}

	var chatWindow = $(" <div />" ).attr("id","chatbox_"+chatboxtitle)
	.addClass("chatbox")
	/*.html('<div class="chatboxhead"><div class="chatboxtitle">'+chatboxtitle+'</div><div class="chatboxoptions"><a href="javascript:void(0)" onclick="javascript:closeChatBox(\''+chatboxtitle+'\')">X</a></div><br clear="all"/></div><div class="chatboxcontent"></div><div class="chatboxinput"><textarea class="chatboxinput" onkeydown="javascript:return checkChatBoxInputKey(event,this,\''+chatboxtitle+'\');"></textarea></div>');*/
	.html('<div class="chatboxhead"><div class="chatboxoptions"><a href="javascript:void(0)" onclick="javascript:closeChatBox(\''+chatboxtitle+'\')">X</a></div><br clear="all"/></div><div class="chatwith">Чат з '+chatboxtitle+'</div><div class="chatboxcontent"><a href="javascript: void(0)" onclick="openHistoryDialog(\''+chatboxtitle+'\')">Попередні повідомлення</a></div><div><input class="chatboxinput" onkeydown="javascript:return checkChatBoxInputKey(event,this,\''+chatboxtitle+'\');"></input></div>');
	
	//var selected = $('#contact_list_dialog').tabs('option','selected');
	$('.coolman_start').removeClass().addClass('coolman');
	$('#contact_list_dialog').tabs('add','#ui-tab-'+chatboxtitle,'<span id="'+chatboxtitle+'_cnt"></span><p id="'+chatboxtitle+'_img" class="active_cloud" title="Чат з '+chatboxtitle+'" onClick="ActionMan(this.id);" /></p>');
	$("#ui-tab-"+chatboxtitle).html(chatWindow);
	//$('#contact_list_dialog').tabs('select',selected);
	

	//$("#chatbox_"+chatboxtitle).css('bottom', '0px');
	
	chatBoxeslength = 0;

	for (x in chatBoxes) {
		if ($("#chatbox_"+chatBoxes[x]).css('display') != 'none') {
			chatBoxeslength++;
		}
	}

	if (chatBoxeslength == 0) {
		//$("#chatbox_"+chatboxtitle).css('right', '2px');
	} else {
		width = (chatBoxeslength)*(225+7)+20;
		//$("#chatbox_"+chatboxtitle).css('right', width+'px');
	}
	
	chatBoxes.push(chatboxtitle);

	if (minimizeChatBox == 1) {
		minimizedChatBoxes = new Array();

		if ($.cookie('chatbox_minimized')) {
			minimizedChatBoxes = $.cookie('chatbox_minimized').split(/\|/);
		}
		minimize = 0;
		for (j=0;j<minimizedChatBoxes.length;j++) {
			if (minimizedChatBoxes[j] == chatboxtitle) {
				minimize = 1;
			}
		}

		if (minimize == 1) {
			$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','none');
			$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','none');
		}
	}

	chatboxFocus[chatboxtitle] = false;
	
	$("#chatbox_"+chatboxtitle+" .chatboxinput").blur(function(){
		chatboxFocus[chatboxtitle] = false;
		$("#chatbox_"+chatboxtitle+" .chatboxinput").removeClass('chatboxinputselected');
	}).focus(function(){
		if(newMessages[chatboxtitle] == true){
			$("#"+chatboxtitle+"_cnt").html('');
			//$("#"+chatboxtitle+"_status").attr('src','images/online.png'); // Remove talk icon on focus chat window
			$("a[href='#ui-tab-"+chatboxtitle+"']").removeClass('new_msg'); // Remove new message class on focus chat window
			$("#"+chatboxtitle+"_cnt").removeClass('incoming');
			//$("#"+chatboxtitle+"_img").show(); // Show talk icon on focus chat window
		}
		chatboxFocus[chatboxtitle] = true;
		newMessages[chatboxtitle] = false;
		newMessagesCnt[chatboxtitle] = 0;
		//$('#chatbox_'+chatboxtitle+' .chatboxhead').removeClass('chatboxblink');
		$("#chatbox_"+chatboxtitle+" .chatboxinput").addClass('chatboxinputselected');
	});

	$("#chatbox_"+chatboxtitle).click(function() {
		if ($('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display') != 'none') {
			$("#chatbox_"+chatboxtitle+" .chatboxinput").focus();
		}
	});
	$("#chatbox_"+chatboxtitle).show();
}

function chatHeartbeat(){

	var itemsfound = 0;
	
	if (windowFocus == false) {
 
		var blinkNumber = 0;
		var titleChanged = 0;
		for (x in newMessagesWin) {
			if (newMessagesWin[x] == true) {
				++blinkNumber;
				if (blinkNumber >= blinkOrder) {
					document.title = ' Повідомлення від '+x;
					titleChanged = 1;
					break;	
				}
			}
		}
		
		if (titleChanged == 0) {
			document.title = originalTitle;
			blinkOrder = 0;
		} else {
			++blinkOrder;
		}

	} else {
		for (x in newMessagesWin) {
			newMessagesWin[x] = false;
		}
	}
	var i = 0;
	for (x in newMessages) {
		if (newMessages[x] == true) {
			if (chatboxFocus[x] == false) {
				if($("ul li").size()==2){
					$('.ui-tabs-nav').css('background-position','-100px 0px');
				}
				//FIXME: add toggle all or none policy, otherwise it looks funny
				//$('#chatbox_'+x+' .chatboxhead').toggleClass('chatboxblink');
				//$("#"+chatboxtitle+"_img").hide(); // Add talk icon to tab when message recieve
				$("a[href='#ui-tab-"+x+"']").addClass('new_msg'); // Add new message class to tab when message recieve
				$("#"+chatboxtitle+"_cnt").addClass('incoming');
				//$("#"+x+"_status").attr('src','images/talk_blink.gif'); // Add talk icon to contact list when message recieve
				newMessagesTabChange(x);
			}
			i++;
		}
	}
	
	$.ajax({
	  url: chatFile+"?action=chatheartbeat",
	  cache: false,
	  dataType: "json",
	  success: function(data) {
		
		$.each(data.items, function(i,item){
			if (item)	{ // fix strange ie bug

				chatboxtitle = item.f;

				if ($("#chatbox_"+chatboxtitle).length <= 0) {
					createChatBox(chatboxtitle);
					newMessagesCnt[chatboxtitle] = 0;
				}
				if ($("#chatbox_"+chatboxtitle).css('display') == 'none') {
					$("#chatbox_"+chatboxtitle).css('display','block');
					//restructureChatBoxes();
				}
				
				if (item.s == 1) {
					item.f = username;
				}

				if (item.s == 2) {
					$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxinfo">'+item.m+'</span></div>');
				} else {
					newMessages[chatboxtitle] = true;
					newMessagesWin[chatboxtitle] = true;
					$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+item.f+':&nbsp;&nbsp;</span><br><span class="chatboxmessagecontent">'+item.m+'</span></div>');
				}
				
				/*j=0;
				for(x in newMessages){
					if(newMessages[x]==true){
						j++;
					}
				}
				if(j > 0 && $("a[href='#ui-tab-incoming'] span").html()){
					$("a[href='#ui-tab-incoming'] span").html(j);
				}else if(j>0){
					var selected = $('#contact_list_dialog').tabs('option','selected');
					$('#contact_list_dialog').tabs('add','#ui-tab-incoming',j,1);
					$('#contact_list_dialog').tabs('select',selected);
					$('#contact_list_dialog').tabs('disable',1);
				}*/
				if($('#ui-tab-'+chatboxtitle).css('display')!=='none'){
					$("#ui-tab-"+chatboxtitle+" .chatboxinput").focus();
					addJScrolling('ui-tab-'+chatboxtitle);
				}
				//$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
				itemsfound += 1;
			}
		});
		
		if(itemsfound > 0){
			newMessagesCnt[chatboxtitle] += 1;
		}
		
		chatHeartbeatCount++;

		if (itemsfound > 0) {
			chatHeartbeatTime = minChatHeartbeat;
			chatHeartbeatCount = 1;
		} else if (chatHeartbeatCount >= 10) {
			chatHeartbeatTime *= 2;
			chatHeartbeatCount = 1;
			if (chatHeartbeatTime > maxChatHeartbeat) {
				chatHeartbeatTime = maxChatHeartbeat;
			}
		}
		
		setTimeout('chatHeartbeat();',chatHeartbeatTime);
	}});
}

function closeChatBox(chatboxtitle) {
	/*
	var a=$("a[href=#ui-tab-"+chatboxtitle+"]").parent().eq();
	alert(a);
	*/
	var li_size=$("ul li").size();
	if(li_size==2){
		$('.ui-tabs-nav').css('background-position','0px 0px');
	}
	else if(li_size==3 || li_size==5){
		$('.ui-tabs-nav').css('background-position','-100px 0px');
	}
	else if(li_size==6){
		if($('li').eq(1).hasClass('ui-state-active'))
		{
			$('.ui-tabs-nav').css('background-position','-175px 0px');
		}
		else if($('li').eq(3).hasClass('ui-state-active'))
		{
			$('.ui-tabs-nav').css('background-position','-200px 0px');
		}
		
	}
	else if(li_size==7){
		if($('li').eq(2).hasClass('ui-state-active') || $('li').eq(3).hasClass('ui-state-active') || $('li').eq(4).hasClass('ui-state-active'))
		{
		$('.ui-tabs-nav').css('background-position','0px 0px');
		}
	}
	else if(li_size==8){
		if($('li').eq(1).hasClass('ui-state-active'))
		{
		$('.ui-tabs-nav').css('background-position','-175px 0px');
		}
		if($('li').eq(2).hasClass('ui-state-active'))
		{
		$('.ui-tabs-nav').css('background-position','-175px 0px');
		}
		if($('li').eq(3).hasClass('ui-state-active'))
		{
			if($('li').eq(0).css('display')=='list-item')
			{
				$('.ui-tabs-nav').css('background-position','-200px 0px');
			}
			else
			{
				$('.ui-tabs-nav').css('background-position','-150px 0px');
			}
		}
		if($('li').eq(5).hasClass('ui-state-active') || $('li').eq(4).hasClass('ui-state-active'))
		{
		$('.ui-tabs-nav').css('background-position','-100px 0px');
		}
		if($('li').eq(6).hasClass('ui-state-active'))
		{
		$('.ui-tabs-nav').css('background-position','-200px 0px');
		}
	}
	$('#chatbox_'+chatboxtitle).css('display','none');
	//restructureChatBoxes();
	
	//newMessagesTabChange(chatboxtitle);
	newMessages[chatboxtitle] = false;
	newMessagesCnt[chatboxtitle] = 0;
	//$("#"+chatboxtitle+"_status").attr('src','images/online.png'); // Remove talk icon on focus chat window
	
	$.post(chatFile+"?action=closechat", { chatbox: chatboxtitle} , function(data){	
	});
	var selected = $("#contact_list_dialog").tabs('option', 'selected');
	$("#contact_list_dialog").tabs("remove",selected);	
}

function toggleChatBoxGrowth(chatboxtitle) {
	if ($('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display') == 'none') {  
		
		var minimizedChatBoxes = new Array();
		
		if ($.cookie('chatbox_minimized')) {
			minimizedChatBoxes = $.cookie('chatbox_minimized').split(/\|/);
		}

		var newCookie = '';

		for (i=0;i<minimizedChatBoxes.length;i++) {
			if (minimizedChatBoxes[i] != chatboxtitle) {
				newCookie += chatboxtitle+'|';
			}
		}

		newCookie = newCookie.slice(0, -1)


		$.cookie('chatbox_minimized', newCookie);
		$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','block');
		$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','block');
		//addJScrolling('ui-tab-'+chatboxtitle);
		//$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
	} else {
		
		var newCookie = chatboxtitle;

		if ($.cookie('chatbox_minimized')) {
			newCookie += '|'+$.cookie('chatbox_minimized');
		}


		$.cookie('chatbox_minimized',newCookie);
		$('#chatbox_'+chatboxtitle+' .chatboxcontent').css('display','none');
		$('#chatbox_'+chatboxtitle+' .chatboxinput').css('display','none');
	}
	
}

function checkChatBoxInputKey(event,chatboxinput,chatboxtitle) {
	 
	if(event.keyCode == 13 && event.shiftKey == 0)  {
		message = $(chatboxinput).val();
		message = message.replace(/^\s+|\s+$/g,"");

		$(chatboxinput).val('');
		$(chatboxinput).focus();
		var h = $("#chatbox_"+chatboxtitle+" .chatboxcontent").height();
		var h_t = $(chatboxinput).height();
		$("#chatbox_"+chatboxtitle+" .chatboxcontent").css('height',h + h_t - (textInputBoxFont + 4) +'px');
		$(chatboxinput).css('height',textInputBoxHeight+'px');
		if (message != '') {
			$.post(chatFile+"?action=sendchat", {to: chatboxtitle, message: message} , function(data){
				message = message.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\"/g,"&quot;").replace(/\n/g,"<br>");
				$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+username+':&nbsp;&nbsp;</span><br><span class="chatboxmessagecontent">'+message+'</span></div>');
				addJScrolling('ui-tab-'+chatboxtitle);
				//$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
			});
		}
		chatHeartbeatTime = minChatHeartbeat;
		chatHeartbeatCount = 1;

		return false;
	}

	var adjustedHeight = chatboxinput.clientHeight;
	var maxHeight = maxTextInputBoxHeight;

	if (maxHeight > adjustedHeight) {
		adjustedHeight = Math.max(chatboxinput.scrollHeight, adjustedHeight);
		if (maxHeight)
			adjustedHeight = Math.min(maxHeight, adjustedHeight);
		if (adjustedHeight > chatboxinput.clientHeight){
			$(chatboxinput).css('height',adjustedHeight+8 +'px');
			var h = $("#chatbox_"+chatboxtitle+" .chatboxcontent").height();
			$("#chatbox_"+chatboxtitle+" .chatboxcontent").css('height',h - (textInputBoxFont + 4) +'px');
			addJScrolling('ui-tab-'+chatboxtitle);
		}
	} else {
		$(chatboxinput).css('overflow','auto');
	}
	 
}

function startChatSession(){  
	$.ajax({
	  url: chatFile+"?action=startchatsession",
	  cache: false,
	  dataType: "json",
	  success: function(data) {
		
		username = data.username;

		$.each(data.items, function(i,item){
			if (item)	{ // fix strange ie bug

				chatboxtitle = item.f;

				if ($("#chatbox_"+chatboxtitle).length <= 0) {
					createChatBox(chatboxtitle,1);
					$("#contact_list_dialog").tabs('select','#ui-tab-'+chatuser);
				}
				
				if (item.s == 1) {
					item.f = username;
				}

				if (item.s == 2) {
					$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxinfo">'+item.m+'</span></div>');
				} else {
					$("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+item.f+':&nbsp;&nbsp;</span><span class="chatboxmessagecontent">'+item.m+'</span></div>');
				}
				//addJScrolling('ui-tab-'+chatboxtitle);
			}
		});
		for (i=0;i<chatBoxes.length;i++) {
			chatboxtitle = chatBoxes[i];
			if($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0]){
				//addJScrolling('ui-tab-'+chatboxtitle);
				//$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
			}
			//setTimeout('addJScrolling("ui-tab-"+chatboxtitle);', 100); // yet another strange ie bug
			//setTimeout('$("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);', 100); // yet another strange ie bug
		}
	
	setTimeout('chatHeartbeat();',chatHeartbeatTime);
	setTimeout('getStatus();',statusUpdateInterval);
	}});
}

function configureHistoryDialog(){
    $("#chat_history_dialog").dialog({
    	bgiframe: true,
        autoOpen: false,
        height: 300,
        width: 400
    });
}

function openHistoryDialog(username){
	$.get(chatFile+"?action=gethistory&username="+username,function(html){
		$("#chat_history_dialog").html(html);
		//$("#chat_history_dialog").dialog('option',"title","Історія розмови з "+username);
		$("#chat_history_dialog").dialog('open');
	});
	
}

function getStatus(){
	$.ajax({
		  url: chatFile+"?action=getstatus",
		  cache: false,
		  dataType: "json",
		  success: function(data) {
			for(i=0;data[i];i++){
				if(data[i][1] == 1){
					$("#"+data[i][0]+"_status").attr('src','/chat/images/online.png');
				}
				/*
				else{
					$("#"+data[i][0]+"_status").attr('src','/chat/images/offline.png');
				}
				*/
			}
			setTimeout('getStatus();',statusUpdateInterval);
		}
	});
}

function getOnlineUsers(){
	$.ajax({
		  url: chatFile+"?action=getonline",
		  cache: false,
		  dataType: "json",
		  success: function(data) {
			$("#online_users").html(data);
			$("#online_users a").addClass('st_bar');
			setTimeout('getOnlineUsers();',statusUpdateInterval);
		}
	});
}

function logOffFromChat(){
	$.get(chatFile+'?action=setoffline');
	$("#ui-tabs-all").html('');
	$("#contact_list_dialog").hide();
}

function openChatDialog(){
	if($("#display_or_no").attr("class")=="nope")
	{
		$("#display_or_no").removeClass("nope").addClass("ofcourse");
				
		var movie = window.document.flash_pr_ob;
		var rand=Math.random();
		var animation;
		if (rand<0.5)
			animation='bbl_form_disappear_1';
		if (rand>0.5)
					  animation='bbl_form_disappear_2';
		movie.startAnimation(animation,"",'small', '', '');
		/*$(document).stopTime("show_anim_hide");*/
	
		$.get(chatFile+"?action=opencontactlist",function(html){
			$("#ui-tabs-all").html(html);
			$("#contact_list_dialog").tabs().addClass('ui-tabs-vertical ui-helper-clearfix');
			$("#contact_list_dialog li").removeClass('ui-corner-top').addClass('ui-corner-left');
			$("body").oneTime(1500,function(){
				$("#contact_list_dialog").show();
				
				$('#chat_scroll').jScrollPane({
				showArrows:false,
				scrollbarMargin:0, 
				scrollbarWidth:3,
				dragMinHeight: 50,
				dragMaxHeight: 50
			});
			
			});
			
			addTabsPaging();
			$("#contact_list_dialog").bind( "tabsadd", function(event, ui) {
				//addTabsPaging();
				if(ui.panel.id !='ui-tab-incomming'){
					//$("#contact_list_dialog").tabs('select','#'+ui.panel.id);
				}
			});
			$("#contact_list_dialog").bind( "tabsshow", function(event, ui) {
				$("#"+ui.panel.id+" .chatboxinput").focus();
				addJScrolling(ui.panel.id);
			});
			startChatSession();
			

		});
	}
	else
	{
		$("#display_or_no").removeClass("ofcourse").addClass("nope");
		$("#contact_list_dialog").hide();
		
		var movie = window.document.flash_pr_ob;
		var rand=Math.random();
		var animation;

		if (rand<0.4)
		{
			animation='bbl_form_appearance_short_1';
		}
		else if (rand>0.4 && rand<0.8)
		{
			animation='bbl_form_appearance_short_2';
		}
		else
		{
			animation='bbl_form_appearance_short_3';
		}
		movie.startAnimation(animation,"",'small', '', '');
			
	}

}

function addTabsPaging(){
	$('#contact_list_dialog').tabs('paging', { 
		follow: false, 
		followOnSelect: true, 
		tabsPerPage: 3, 
		maxContainerWidth:chatTabsHeight, 
		orientation: 'vertical' 
	});
}

function addJScrolling(chatboxtitle){
	var chunks = chatboxtitle.split('ui-tab-');
	$pane = $('#chatbox_'+chunks[1]+' .chatboxcontent');
	var autoScroll = $pane.data('jScrollPanePosition') == $pane.data('jScrollPaneMaxScroll');
	$pane.jScrollPane({
		dragMinHeight: 50,
		dragMaxHeight: 50,
		showArrows:false,
		scrollbarMargin:0,
		scrollbarWidth:3 
	});
	if (autoScroll && $pane[0]){
			$pane[0].scrollTo($pane.data('jScrollPaneMaxScroll'));
	}
}

function newMessagesTabChange(chatboxtitle){

	if(newMessagesCnt[chatboxtitle] < 1){
		$("#"+chatboxtitle+"_cnt").html('');
	}else{
		if(!isNaN(newMessagesCnt[chatboxtitle]))
		{		
			$("#"+chatboxtitle+"_cnt").html(newMessagesCnt[chatboxtitle]);
		}
	}
}
/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};
