//显示／隐藏
var vInter=0;
function vShowHide(ex){
	var w=document.getElementById("vChatWin");
	if(!w)return;
	var box=document.getElementById("vChatBox");
	if(!box)return;
	if(ex){clearInterval(vInter);box.parentNode.removeChild(box);return;} //彻底退出
	if(w.style.display=="none"){
		w.style.display="";
		box.style.height=370+"px";
		if(w.src.indexOf("about:blank")>=0) w.src="http://meet.az16.com/vChat/vKefu.asp"; //要载入src
	}else{
		w.style.display="none";
		box.style.height=20+"px";
	}
}
function pos543(id,W,H){ //将id元素放窗口右下角
	var obj=document.getElementById(id);if(!obj)return;
	if(isNaN(W))W=parseInt(obj.style.width);
	if(isNaN(H))H=parseInt(obj.style.height);
	var winW=1003;var winH=400;
	var bd=document.documentElement; if(!bd.clientWidth || window.openDatabase)bd=document.body; //safari要用body.scrollTop
	var scrL=bd.scrollLeft;
	var scrT=bd.scrollTop;
	if(bd.clientWidth){winW=bd.clientWidth;winH=bd.clientHeight;}
	if(window.opera || window.openDatabase){ //opera,safari用innerHeight才准;clientHeight不准。有滚动条时还要减17px
		winW=window.innerWidth;
		winH=window.innerHeight;
		if(bd.scrollHeight>winH)winW-=17;
		if(bd.scrollWidth>winW)winH-=17;
	}
	obj.style.left=(winW+scrL-W)+'px';
	obj.style.top=(winH+scrT-H)+'px';
}
document.write("<div id='vChatBox' style='position:absolute;width:220px;height:370px;right:1px;bottom:1px; overflow:hidden;font-size:12px;text-align:center;'>");
document.write(" <div style='cursor:pointer;line-height:20px;height:20px;background-color:#FFFFCC;color:#0000FF;text-align:left'><span class='floatR' onClick='vShowHide(1)'>&nbsp;×&nbsp;</span><span onClick='vShowHide()'>&nbsp;视频客服↓↑Video Chat</span></div>");
document.write(" <iframe name='vChatWin' id='vChatWin' style='border:none' src='about:blank' width='220' height='350' frameborder='0' scrolling='no' marginwidth='0' marginheight='0'>您的浏览器不支持框架<br/>请<a href='http://meet.az16.com/vChat/vKefu.asp' target='_blank'>点击这里进入</a><br/>Click here</iframe>");
document.write("</div>");

vInter=setInterval(function(){pos543("vChatBox")},50); //开始浮动右下角;兼容代码
setTimeout("vShowHide()",300); //初始，自动点击隐藏