function doTryAlexa()//判断是否安装了alexa工具条
{
	try
	{
		aborted();
		return 1;
	}
		catch(e)
	{
		return 0;
	}
}
document.write('<table width="100%" height="85"  border="0" align="center" cellpadding="0" cellspacing="0" Style="table-layout:fixed;padding-left:3px" ><tbody><form action="http://www.365heart.com/user/userchklogin.asp" method="post"><tr><td class="style1" height=3><img src=space.gif width=1 height="1"></td></tr><tr><td class="style1">用户名: <input type="text" name="username"  maxlength="20" size="10" class="textbox-bg"></td></tr><tr> <td height="2" class="style1"></td></tr><tr> <td class="style1">密　码: <input type="password" name="password" maxlength="20" size="10" class="textbox-bg"></td></tr><tr> <td class="style1">验证码: <input name=verifycode type=text  maxLength=4 size=5 class="textbox-bg"> <img src=http://www.365heart.com/inc/checkcode.asp width=37 height=10></td></tr><tr> <td> <input type="image" name="Submit" class=inputborder  src="http://www.365heart.com//images/denglu.gif" alt="" border="0" style="width:32px;height:22px;"/><a href="/user/userreg.shtml" target="_blank"><img  src="http://www.365heart.com/images/zhucehuiyuan.gif" alt="" border="0" /></a><a href="/getpass.shtml" target="_blank"><img src="http://www.365heart.com/images/zhaohuimima.gif" alt="" width="59" height="22" border="0" /></a><input type="hidden" id="IsAlexaUser" name="IsAlexaUser"></td></tr></form></table>');
document.getElementById("IsAlexaUser").value=doTryAlexa()//如果安装了alexa工具条,则赋值给IsAlexaUser