var comefrom = document.referrer;
var str = "<iframe id=livechatframe width='0' height='0' frameborder=0 src=''></iframe>";
document.write( str );
var welcomestr = "<div id=welcomeDiv style='position:absolute;display:none;background-color:#FFFFBF'><table width='400' style='border:1px;border-style:solid;'><tr><td width=350><img src='/images/instant-available.png' width='22' height='22' border=0/><span style='font-family: Arial, Helvetica, sans-serif;font-weight: bold;color: #CC0033;'> 51chat.org邀请您</span></td><td style='font-size:10;font-family: Arial, Helvetica, sans-serif;font-weight: bold;color: #CC0033;'><span style='cursor:pointer' onclick='gohome()'>51chat.org</td></tr><tr><td height='50' colspan=2><div align='left'><p style='color: #CC6633;	font-family: Arial, Helvetica, sans-serif;'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style='font-size: 14px'>&nbsp;欢迎光临！您需要什么帮助的吗？</span></p></div></td></tr><tr><td align='center' ><a href='javascript:acceptWelcome()'><img src='/images/accept.gif' width='66' height='21' border=0/></a>&nbsp;&nbsp;  <a href='javascript:nexttimeWelcome()'><img src='/images/nexttime.gif' width='66' height='21' border=0/></a></td></tr></table></div>";
document.write(welcomestr);
setInterval( "checkAvailable()", 60000 );
function checkAvailable()
{	
  var obj = document.getElementById( "livechatAvailable" );
  if( obj )
  {
		obj.src = "http://www.51chat.org//images/alive/livechat_1.jpg?id=" + new Date();
	}
	var frameUrl = "/visit/visit.jsp?companyId=1&url=" + location.href 
										+ "&comefrom=" + comefrom + "&id=" + Math.random();
	var livechatframe = document.getElementById( "livechatframe" );
	if( livechatframe )
		livechatframe.src = frameUrl;
}

function gohome()
{
	window.open( 'http://www.51chat.org');
}

function liveChat( url )
{
	if( !url )
		url = location.href;
  window.open( "http://www.51chat.org//chat/customer.do?companyId=1&url=" + escape(url),null,"height=328,width=494,left=100,top=50,scrollbars=auto,status=no" );
  nexttimeWelcome();

	clearTimeout( ts );

}

function acceptWelcome()
{
	liveChat();
	nexttimeWelcome();
}

function nexttimeWelcome()
{
	var obj = document.getElementById( "welcomeDiv" );
	if( obj )
		obj.style.display = "none";
}

function getCookie(cookieName) 
{
	var cookieString = document.cookie;
	var start = cookieString.indexOf(cookieName + '=');
	if (start == -1)
	return null;
	start += cookieName.length + 1;
	var end = cookieString.indexOf(';', start);
	if (end == -1) 
		return unescape(cookieString.substring(start));
	return unescape(cookieString.substring(start, end));
}
function welcome()
{
	var welcomeDiv = document.getElementById( "welcomeDiv" );
	var left = document.body.clientWidth / 2 - 200;
	var top = document.body.clientHeight / 2 - 100;
	if( left > 0 )
	{
		welcomeDiv.style.left = left;
		welcomeDiv.style.top = top;
	}
	else
	{
		welcomeDiv.style.left = left;
		welcomeDiv.style.top = top;
	}
	welcomeDiv.style.display = "block";
}

	var ts = setTimeout( "welcome()", 30*1000 );