function ChangEmail() {
   var emailhtml ;
   emailhtml = "<select class=\"SelBar\" name=\"MailBox\">" ;
   emailhtml = emailhtml + "<option>请选择你的邮箱</option>" ;
	emailhtml = emailhtml + "<option value=\"26500\">@265.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26501\">@163.com 网易</option>" ;
	emailhtml = emailhtml + "<option value=\"26502\">@vip.163.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26503\">@sina.com 新浪</option>" ;
	emailhtml = emailhtml + "<option value=\"26504\">@vip.sina.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26505\">@sohu.com 搜狐</option>" ;
	emailhtml = emailhtml + "<option value=\"26506\">@21cn.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26507\">@263.net</option>" ;
	emailhtml = emailhtml + "<option value=\"26508\">@tom.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26518\">@126.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26509\">@china.com 中华</option>" ;
	emailhtml = emailhtml + "<option value=\"26510\">@mail.china.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26521\">@etang.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26523\">@188.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26511\">@netease.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26512\">@yeah.net</option>" ;
	emailhtml = emailhtml + "<option value=\"26513\">@163.net</option>" ;
	emailhtml = emailhtml + "<option value=\"26519\">@eyou.com 亿邮</option>" ;
	emailhtml = emailhtml + "<option value=\"26522\">@citiz.net</option>" ;
	emailhtml = emailhtml + "<option value=\"26514\">@21cn.net</option>" ;
	emailhtml = emailhtml + "<option value=\"26515\">@yahoo.com.cn</option>";
	emailhtml = emailhtml + "<option value=\"26516\">@hotmail.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26520\">@msn.com</option>" ;
	emailhtml = emailhtml + "<option value=\"26517\">@sohu.net</option>" ;
	emailhtml = emailhtml + "</select> <input type=\"submit\" class=\"InpBtn\" name=\"button\" value=\"登录\" />" ;
	document.getElementById("changemailandfore").innerHTML = emailhtml; 
        document.getElementById("bgchangforeemail").style.background ="url(images/mail.gif)"; 
        document.getElementById("bgchangforeemail").style.backgroundRepeat="no-repeat"; 
	document.getElementById("bgchangforeemail").style.backgroundPosition="left top";    
	return false ;
}
function changFore() {
  var forehtml ;
  forehtml = "<SELECT name=D class=\"SelBar\">" ;
  forehtml = forehtml + "<option selected>选择登陆的社区</option>" ;
	forehtml = forehtml + "<OPTION value=bbs.51sobu.com>搜捕论坛</OPTION>" ;
	forehtml = forehtml + "<option value=mop.com>猫扑社区</option>" ;
	forehtml = forehtml + "<OPTION value=tianyaclub.com>天涯社区</OPTION>" ;
	forehtml = forehtml + "<option value=163.com>网易通行证</option>" ;
	forehtml = forehtml + "<OPTION value=sohu.com>搜狐社区</OPTION>" ;
	forehtml = forehtml + "<OPTION value=sina.com>新浪会员</OPTION>" ;
	forehtml = forehtml + "<OPTION value=tom.com>TOM社区</OPTION>" ;
	forehtml = forehtml + "<option value=newbbs.china.com>中华网社区</option>" ;
	forehtml = forehtml + "<OPTION value=xilu.com>西陆社区</OPTION>" ;
	forehtml = forehtml + "<OPTION value=xici.net>西祠胡同</OPTION>" ;
	forehtml = forehtml + "<OPTION value=bbs.17173.com>17173网游社区</OPTION>";
	forehtml = forehtml + "<option value=city.the9.com>第九城市</option>" ;
	forehtml = forehtml + "<option value=publishblog.blogchina.com>博客公社</option>" ;
	forehtml = forehtml + "<OPTION value=www.donews.com>Donews</OPTION>" ;
	forehtml = forehtml + "<OPTION value=yahoo.com>雅虎会员</OPTION>" ;
	forehtml = forehtml + "<OPTION value=soufun.com>搜房社区</OPTION>" ;
	forehtml = forehtml + "<OPTION value=etang.com>亿唐社区</OPTION>" ;
	forehtml = forehtml + "<OPTION value=smth.org>水木清华</OPTION>" ;
	forehtml = forehtml + "<OPTION value=pku.edu.cn>北大未名</OPTION>" ;
	forehtml = forehtml + "<OPTION value=peopledaily.com.cn>强国社区</OPTION>" ;
	forehtml = forehtml + "<OPTION value=xinhuanet.com>新华网论坛</OPTION>" ;
	forehtml = forehtml + "<OPTION value=cce.com.cn>中国电脑教育报&nbsp;&nbsp;</OPTION>" ;
	forehtml = forehtml + "<OPTION value=yesky.com>天极网</OPTION>" ;
	forehtml = forehtml + "<OPTION value=5460.net>中国同学录</OPTION>" ;
	forehtml = forehtml + "<OPTION value=alibaba.com>阿里巴巴</OPTION>" ;
	forehtml = forehtml + "<OPTION value=taobao.com>淘宝</OPTION>" ;
	forehtml = forehtml + "<OPTION value=ebay.com.cn>易趣</OPTION>" ;
	forehtml = forehtml + "<OPTION value=dangdang.com>当当</OPTION>" ;
	forehtml = forehtml + "<OPTION value=joyo.com>卓越</OPTION>" ;
	forehtml = forehtml + "</SELECT> <input type=\"submit\" class=\"InpBtn\" name=\"button\" value=\"登录\" />" ;
	document.getElementById("changemailandfore").innerHTML = forehtml;
        document.getElementById("bgchangforeemail").style.background ="url(images/fore.gif)";
        document.getElementById("bgchangforeemail").style.backgroundRepeat="no-repeat"; 
	document.getElementById("bgchangforeemail").style.backgroundPosition="left top";
	return false ;
}
 function showtip(text)  //显示链接的说明
{
	if (document.all&&document.readyState=="complete")//针对IE
	{
		 //显示跑马灯,内容就是提示框的内容
		document.all.tooltip.innerHTML="<div vAlign=center><font style='font-size: 12px;'>"+text+"</font></div>";
		document.all.tooltip.style.pixelLeft=event.clientX+document.body.scrollLeft;
		document.all.tooltip.style.pixelTop=event.clientY+document.body.scrollTop+20;
		 if (event.clientX>900)
		{
			document.all.tooltip.style.pixelLeft=790;
			document.all.tooltip.style.pixelTop=event.clientY+document.body.scrollTop+20;
		}
		document.all.tooltip.style.visibility="visible";
	}
}

document.write("<div id=\"tooltip\" style=\"position:absolute;visibility:hidden; padding:3px;border:1px solid #C0C0C0;\;background-color:#D1F2AA; height: 19px; left:77;top: 96px;z-index:10;\"></div>");
function hidetip()  //隐藏链接的说明
{
	if (document.all)
	document.all.tooltip.style.visibility="hidden";
}