var MB_OK = 0; 
var MB_CANCEL = 1; 
var MB_OKCANCEL = 2; 
var MB_YES = 3; 
var MB_NO = 4; 
var MB_YESNO = 5; 
var MB_YESNOCANCEL = 6; 

var MB_OK_TEXT = " Ok "; 
var MB_CANCEL_TEXT = "Cancel"; 
var MB_YES_TEXT = " Yes "; 
var MB_NO_TEXT = " No "; 

var MB_OK_METHOD = null; 
var MB_CANCEL_METHOD = null; 
var MB_YES_METHOD = null; 
var MB_NO_METHOD = null; 
var MB_BACKCALL = null; 
var MB_STR = '<style type="text/css"><!--' + 
            'body{margin:0px;}' + 
            '.msgbox_title{background-color: #042653;height:25px;position:relative; color:white; font-family:Arial; font-size:9pt; font-weight:bold; font-style:italic; line-height:25px;padding-left:10px;border-bottom:1px solid #000;}' + 
            '.msgbox_control{text-align:center;clear:both;height:28px;}' + 
            '.msgbox_button{background-color: #B1CDF3;border:1px solid #003366;font-size:12px;line-height:20px;height:21px;}' + 
            '.msgbox_content{padding:10px;float:left;line-height: 20px;}' + 
            '.msgbox_mask{position:absolute;left:0px;top:0px;z-index:99999;background-color:#333333;width:100%;height:100%;}' + 
            '.msgbox{background-color: #EFFAFE;position: absolute;height:auto;font-size:12px;top:50%;left:50%;border:1px solid #999999;}' + 
            '--></style>' + 
            '<div id="msgBoxMask" class="msgbox_mask" style="filter: alpha(opacity=0);display:none;"></div>' + 
            '<div class="msgbox" style="display:none; z-index:100000;" id="msgBox">' + 
            '<div class="msgbox_title" id="msgBoxTitle"></div>' + 
            '<div class="msgbox_content" id="msgBoxContent"></div>' + 
            '<div class="msgbox_control" id="msgBoxControl"></div></div>'; 
var Timer = null; 
document.write(MB_STR); 

function MessageBox(){ 
   var _content = arguments[0] || "Welcome"; 
   var _title   = arguments[1] || "G5LIVE"; 
   var _button  = arguments[3] || MB_OK; 
   MB_BACKCALL  = arguments[4]; 
    
   var _btnStr  = '<input name="{0}" id="{0}" type="button" class="msgbox_button" value="{1}" onclick="MBMethod(this)" />'; 
    
    
   switch(_button) 
   {       
      case MB_CANCEL      : _btnStr = _btnStr.toFormatString("msgBoxBtnCancel", MB_CANCEL_TEXT); break; 
      
      case MB_YES         : _btnStr = _btnStr.toFormatString("msgBoxBtnYes", MB_YES_TEXT); break; 
       
      case MB_NO          : _btnStr = _btnStr.toFormatString("msgBoxBtnNo", MB_NO_TEXT); break; 
       
      case MB_OKCANCEL    :  
           _btnStr = _btnStr.toFormatString("msgBoxBtnOk", MB_OK_TEXT) + "  " + 
                      _btnStr.toFormatString("msgBoxBtnCancel", MB_CANCEL_TEXT);  
           break; 
            
      case MB_YESNO       : 
            _btnStr = _btnStr.toFormatString("msgBoxBtnYes", MB_YES_TEXT) + "  " + 
                      _btnStr.toFormatString("msgBoxBtnNo", MB_NO_TEXT);  
            break; 
          
      case MB_YESNOCANCEL : 
            _btnStr = _btnStr.toFormatString("msgBoxBtnYes", MB_YES_TEXT) + "  " + 
                      _btnStr.toFormatString("msgBoxBtnNo", MB_NO_TEXT) + "  " + 
                      _btnStr.toFormatString("msgBoxBtnCancel", MB_CANCEL_TEXT);  
            break; 
          
      default :  _btnStr = _btnStr.toFormatString("msgBoxBtnOk", MB_OK_TEXT);  break;   
       
   } 
   // solve reloc issue under ff
   ScrollTop = GetBrowserDocument().scrollTop;  
   ScrollLeft = GetBrowserDocument().scrollLeft;  
   GetBrowserDocument().style.overflow = "hidden"; 
   GetBrowserDocument().scrollTop = ScrollTop;    
   GetBrowserDocument().scrollLeft = ScrollLeft;  
       
   $("msgBoxTitle").innerHTML = _title; 
   $("msgBoxContent").innerHTML = _content;  
   $("msgBoxControl").innerHTML =  _btnStr; 
    
   OpacityValue = 0; 
   $("msgBox").style.display = "";        
   try{$("msgBoxMask").filters("alpha").opacity = 0;}catch(e){}; 
   $("msgBoxMask").style.opacity = 0; 
   $("msgBoxMask").style.display = ""; 
   $("msgBoxMask").style.height = GetBrowserDocument().scrollHeight + "px"; 
   $("msgBoxMask").style.width = GetBrowserDocument().scrollWidth + "px"; 
    
   Timer = setInterval("DoAlpha()",1); 
   //alloc  
   $("msgBox").style.width = "100%";    
   $("msgBox").style.width = ($("msgBoxContent").offsetWidth + 2) + "px"; 
    
   $("msgBox").style.marginTop = (-$("msgBox").offsetHeight/2 + GetBrowserDocument().scrollTop) + "px"; 
   $("msgBox").style.marginLeft = (-$("msgBox").offsetWidth/2 + GetBrowserDocument().scrollLeft) + "px";    
    
   if(_button == MB_OK || _button == MB_OKCANCEL){ 
     $("msgBoxBtnOk").focus(); 
   }else if(_button == MB_YES || _button == MB_YESNO || _button == MB_YESNOCANCEL){ 
       $("msgBoxBtnYes").focus(); 
   }   
} 
var OpacityValue = 0; 
var ScrollTop = 0; 
var ScrollLeft = 0; 
function GetBrowserDocument() 
{ 
   var _dcw = document.documentElement.clientHeight; 
   var _dow = document.documentElement.offsetHeight; 
   var _bcw = document.body.clientHeight; 
   var _bow = document.body.offsetHeight; 
    
   if(_dcw == 0) return document.body; 
   if(_dcw == _dow) return document.documentElement; 
    
   if(_bcw == _bow && _dcw != 0)  
     return document.documentElement; 
   else 
     return document.body; 
} 
function SetOpacity(obj,opacity){ 
        if(opacity >=1 ) opacity = opacity / 100;     
             
        try{obj.style.opacity = opacity; }catch(e){} 
         
        try{  
            if(obj.filters){ 
                obj.filters("alpha").opacity = opacity * 100; 
            } 
             
        }catch(e){} 
} 
     
function DoAlpha(){ 
    if (OpacityValue > 20){clearInterval(Timer);return 0;} 
    OpacityValue += 5;     
    SetOpacity($("msgBoxMask"),OpacityValue); 
} 
function MBMethod(obj) 
{    
   switch(obj.id) 
   { 
      case "msgBoxBtnOk" : if(MB_BACKCALL) {MB_BACKCALL(MB_OK);} else {if(MB_OK_METHOD) MB_OK_METHOD();} break; 
      case "msgBoxBtnCancel" : if(MB_BACKCALL) {MB_BACKCALL(MB_CANCEL);} else {if(MB_CANCEL_METHOD) MB_CANCEL_METHOD();} break; 
      case "msgBoxBtnYes" : if(MB_BACKCALL) {MB_BACKCALL(MB_YES);} else {if(MB_YES_METHOD) MB_YES_METHOD();} break; 
      case "msgBoxBtnNo" : if(MB_BACKCALL) {MB_BACKCALL(MB_NO);} else {if(MB_NO_METHOD) MB_NO_METHOD();} break; 
   }    
    
   MB_OK_METHOD = null; 
   MB_CANCEL_METHOD = null; 
   MB_YES_METHOD = null; 
   MB_NO_METHOD = null; 
   MB_BACKCALL = null; 
    
   MB_OK_TEXT = " Ok "; 
   MB_CANCEL_TEXT = "Cancel"; 
   MB_YES_TEXT = " Yes "; 
   MB_NO_TEXT = " No "; 
    
   $("msgBox").style.display = "none";   
   $("msgBoxMask").style.display = "none";      
   GetBrowserDocument().style.overflow = "";  
   GetBrowserDocument().scrollTop = ScrollTop; 
   GetBrowserDocument().scrollLeft = ScrollLeft;  
} 
String.prototype.toFormatString = function(){   
   var _str = this; 
   for(var i = 0; i < arguments.length; i++){     
      _str = eval("_str.replace(/\\{"+ i +"\\}/ig,'" + arguments[i] + "')"); 
   } 
   return _str; 
} 
function $(obj){ 
   return document.getElementById(obj); 
}
// over-ride the alert method only if this a newer browser.
// Older browser will see standard alerts
if(document.getElementById) {
	window.alert = function(txt) {
        MessageBox(txt);
	}
}