live_help_visitor=jQuery.extend(live_help,{counter:0,first:true,start_chat:false,start_invite:false,invited:false,operator_status:-1,operator_id:0,action:'',inv_mess_id:0,init:function(params)
{if(params){for(k in params){this[k]=params[k];}}
this.send_request();},enable_links:function(enable)
{var links=['lh_start_chat_link','lh_status_image_link'];var hrefs_online=["javascript: live_help.request_chat()","javascript: live_help.request_chat()"];var hrefs_offline=["javascript: live_help.leave_message()","javascript: live_help.leave_message()"];for(var n in links){var a=document.getElementById(links[n]);if(!a){continue;}
if(enable==true){if(links[n]=='lh_start_chat_link'){a.style.display='';}
var href=hrefs_online[n];}else{if(links[n]=='lh_start_chat_link'){a.style.display='none';}
var href=hrefs_offline[n];}
if(a.setAttribute){a.setAttribute('href',href);}else{a.href=href;}}},send_request:function(action)
{if(typeof(action)=='undefined'){action=(this.action=='')?'':this.action;}
if(this.action!=''){action=this.action;this.action='';}
var callback=true;var dispatch='';var data={};if(this.first==true){dispatch='visitor.init';data['visitor_environment[title]']="anonymous";data['visitor_environment[href]']="mf href";data['visitor_environment[browser]']="mf browser";data['visitor_environment[os]']="mf os";data['visitor_environment[referer]']="mf referer";data['first']='Y';}else{dispatch='visitor.update';}
dispatch='visitor.update';data['check_invitation']='Y';if(this.invited==true){data['check_invitation']='N';callback=true;}
if(action=='accept'){var today=new Date();data['local_time']=Math.round(today.getTime()/1000);data['user_name']=this.user_name;data['operator_id']=this.operator_id;data['check_invitation']='Y';callback=true;this.invited=false;dispatch='visitor.invite';}else if(action=='decline'){data['invitation']='N';this.invited=false;dispatch='visitor.invite';}
var params={data:data,hidden:true,cache:false,callback:(callback==true)?[this,'on_response']:{}}
jQuery.ajaxRequest(this.request_url+dispatch,params);this.first=(this.first==true)?false:this.first;this.counter++;this.start_timer([this,'send_request']);},on_response:function(js,plain)
{data=this.parse_xml(plain);if(!data){return false;}
var ops=data.getElementsByTagName('operators');if(ops.length){var op_count=parseInt(this.get_subnode_value(ops[0],'total'));this.update_status('total',op_count);if(this.start_chat==true){this.open_chat(op_count>0);this.start_chat=false;}
var op_free=parseInt(this.get_subnode_value(ops[0],'free'));this.update_status('free',op_free);}
var inv_messages=data.getElementsByTagName('invitation_messages');if(inv_messages.length){var im_id=this.get_subnode_value(inv_messages[0],'first_inv_message_id');if(im_id&&!this.inv_mess_id){this.inv_mess_id=im_id;}}
var ddd=inv_messages[0];var inv_arr=[];if(inv_messages.length){for(var i=0;i<ddd.childNodes.length;i++){if(this.get_subnode_value(ddd,'inv_message_'+i)!=''){inv_arr[i]=this.get_subnode_value(ddd,'inv_message_'+i);$('#invitation_text').text(this.get_subnode_value(ddd,'inv_message_'+i));break;}}}
var chat_data=data.getElementsByTagName('chat_data');if(chat_data.length){this.invited=true;this.display_invitation_dialog({operator_id:this.get_subnode_value(chat_data[0],'operator_id'),operator_name:this.get_subnode_value(chat_data[0],'operator_name'),invitation_messages:inv_arr,visitor_name:this.get_subnode_value(chat_data[0],'visitor_name')});}
return true;},send_request_invitation:function(action)
{var callback=false;var dispatch='visitor.invite';var data={};if(action=='accept'){this.action='accept';var today=new Date();data['local_time']=Math.round(today.getTime()/1000);data['user_name']='user_name';data['operator_id']=this.operator_id;data['invitation']='Y';this.invited=false;}else if(action=='decline'){data['invitation']='N';this.invited=false;}
var params={data:data,hidden:true,cache:false,callback:{}}
jQuery.ajaxRequest(this.request_url+dispatch,params);},send_request_chat:function(action)
{this.open_chat(true);},update_status:function(param,value)
{if(param=='total'){var total_count_element=document.getElementById('lh_total_count');if(total_count_element){total_count_element.innerHTML=value;}
var status_image_src='live_help_offline.gif';var status_image_hint=lang.image_offline_hint;var new_status=false;if(value>0){status_image_src='live_help_online.gif';status_image_hint=lang.image_online_hint;new_status=true;}
var status_image=document.getElementById('lh_status_image');if(status_image&&new_status!=this.operator_status){if(status_image.setAttribute){status_image.setAttribute('src',this.status_image_path+status_image_src);status_image.setAttribute('title',status_image_hint);}else{status_image.src=this.status_image_path+status_image_src;status_image.title=status_image_hint;}
status_image.style.display='inline';this.operator_status=new_status;}
this.enable_links(new_status);}else if(param=='free'){var free_count_element=document.getElementById('lh_free_count');if(free_count_element){free_count_element.innerHTML=value;}}},on_error:function()
{this.update_status('free',0);var total_count_element=document.getElementById('lh_total_count');if(total_count_element){total_count_element.innerHTML=document.getElementById('lh_free_count').innerHTML=lang.not_available;}
this.enable_links(false);},request_chat:function()
{if(!this.chatbox||this.chatbox&&this.chatbox.closed){this.start_chat=true;this.send_request_chat();}},open_chat:function(allow,force_enter)
{if(allow==undefined){allow=false;}
if(force_enter==undefined){force_enter=false;}
if(!allow){return this.leave_message();}else{this.inv_mess_id;var params=this.get_popup_params();var url=this.request_url+'visitor.open_chat'+((force_enter)?'.force':'')+'&mes_id='+this.inv_mess_id;if(this.user_name!=undefined)
url+='&user_name='+this.user_name;this.chatbox=window.open(url,'chat_window',params);this.inv_mess_id=0;}
if(!this.chatbox){alert(lang.failed_popup);}},leave_message:function()
{var params={scrollbars:'no',height:370}
this.message_box=window.open(this.request_url+'visitor.leave_message',1001,this.get_popup_params(params));if(!this.message_box){alert(lang.failed_popup);}},display_invitation_dialog:function(data)
{if(!data){return false;}
var dlg=document.getElementById('invitation_dialog_bg');if(!dlg){return false;}
var inv_name_object=document.getElementById('invitation_name');if(inv_name_object&&data.visitor_name)
{inv_name_object.value=data.visitor_name;}
this.operator_id=data.operator_id;$('#invitation_dialog_bg').show();$('#invitation_dialog_bg div').show();$('#invitation_dialog_bg').alignElement();var op_id=document.getElementById('op_id');if(!op_id){return false;}
op_id.value=data.operator_id;var it='';if(data.invitation_messages){it=data.operator_name+': ';if(it){for(k in data.invitation_messages){if(data.invitation_messages[k]&&data.invitation_messages[k]!=''){it+=data.invitation_messages[k]+'\n';}}}else{for(k in data.invitation_messages){if(data.invitation_messages[k]&&data.invitation_messages[k]!=''){it+='\n'+data.invitation_messages[k]+'\n';}}}}
$('#invitation_text').text(it);var intro=document.getElementById('invitation_intro');if(!intro){return false;}
intro.innerHTML=lang.invitation_intro.str_replace('[operator]',data.operator_name);},accept_invitation:function()
{var invitation_name_input=document.getElementById('invitation_name');this.user_name=invitation_name_input.value;if(!this.user_name){alert(lang.please_input_name);invitation_name_input.focus();return false;}
this.action='accept';this.send_request_invitation('accept');$('#invitation_dialog_bg').hide();this.open_chat(true,true);return true;},decline_invitation:function()
{this.send_request_invitation('decline');$('#invitation_dialog_bg').hide();this.action='decline';return true;}});