function IsDigit()
{
	if(event.keyCode==65296){event.keyCode=48}
	if(event.keyCode==65297){event.keyCode=49}
	if(event.keyCode==65298){event.keyCode=50}
	if(event.keyCode==65299){event.keyCode=51}
	if(event.keyCode==65300){event.keyCode=52}
	if(event.keyCode==65301){event.keyCode=53}
	if(event.keyCode==65302){event.keyCode=54}
	if(event.keyCode==65303){event.keyCode=55}
	if(event.keyCode==65304){event.keyCode=56}
	if(event.keyCode==65305){event.keyCode=57}
	if((event.keyCode < 48) && (event.keyCode!=13)  || (event.keyCode > 57))
	{
		alert("请输入数字");
		return false;
	}
	return true;
}

function getCookie(name)
{
   var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr !=null) return unescape(arr[2]); return null;
}

function writeLogin()
{
	var userid=getCookie("userid");
	if (userid=="" || userid==null)
	{
		var md=getCookie("md");
		if (md=="" || md==null)
		{
			var exp=new Date();
			exp.setTime(exp.getTime()+3153600000000);
			document.cookie="md="+exp.getTime()+";path=/;expires="+exp.toGMTString();
		}
		document.write("<table width=100% height=33 border=0 cellpadding=0 cellspacing=0>");
		document.write("<tr valign=bottom>");
		document.write("<form action=/checklogin.php method=post name=logon id=logon>");
		document.write("<td width=71% valign=bottom>　用户号码 ");
		document.write("<input name=yyid type=text id=yyid style='width:73px;' maxlength=9 onKeyPress='event.returnValue=IsDigit()';> ");
		document.write("密码 <input name=password type=password id=password style='width:73px;' maxlength=16> ");
		document.write("</td>");
		document.write("<td width=13%><input name=denglu type=image src=/images/ind02.gif onClick='return checklogon()';></td>");
		document.write("</form>");
		document.write("<td><a href=/reg.html class=A12><font color=red>注册</font></a> <a href=/wangji.html class=A12>忘密</a>");
		document.write("</td></tr></table>");
	}
	else
	{
		var yyid=getCookie("yyid");
		var username=getCookie("usernamejava");
		var shenfen=getCookie("shenfenjava");
		document.write("　<font color=red>"+username+"</font>("+yyid+")|编号:"+userid+"|");
		document.write(shenfen+"|<a href=/chongzhi.php class=A12><font color=red>充值</font></a>|<a href=/my100.php class=A12><font color=red>我的百分</font></a>|<a href=/userexit.php class=A12>退出</a></font>");
	}
}
function writetel(cityurl)
{
	var telurl;
	var cncurl;
	telurl=cityurl.replace("www.","tel.");  
	cncurl=cityurl.replace("www.","cnc.");  
	document.write('<a href="'+telurl+'"><img src="/images/tel.gif" width="15" height="15" border="0" align="absmiddle" />电信站</a>　<a href="'+cncurl+'"><img src="/images/cnc.gif" width="15" height="15" border="0" align="absmiddle" />网通站</a>&nbsp;&nbsp;');
}
function checklogon()
{
   if(checkspace(document.logon.yyid.value)) {
	alert("您没有填写用户号码！");
	document.logon.yyid.focus();
	return false;
	}
   if(document.logon.yyid.value.charAt(0)=="0" ) {
	alert("号码不能以“0”开头！");
	document.logon.yyid.focus();
	return false;
	}
   if(document.logon.yyid.value.length < 6) {
	alert("号码的长度小于6位！");
	document.logon.yyid.focus();
	return false;
	}
   if(checkspace(document.logon.password.value)) {
	alert("请输入密码");
	document.logon.password.focus();
	return false;
	}
}

function checkspace(checkstr)
{
  var str = '';
  for(i = 0; i < checkstr.length; i++){
    str = str + ' ';
  }
  return (str == checkstr);
}

function openyy(userid)
{
	var YYInstalled = false;
	try {
		if (!YYInstalled) {
			var obj = new ActiveXObject("ICCARD.ICCardCtrl.1");
			if (obj) {
				YYInstalled = true;
				delete obj;
			}
		}
	}catch(e){
	}
	if (YYInstalled==true)
		window.location.href='yy:userid='+userid;
	else
		if(confirm('请先安装百分家教网ＹＹ！才能与其联系！')){window.location.href='http://yy.bfjjw.com/';}		
}
function openqq(qq){document.write('<a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin='+qq+'&site=qq&menu=yes"><img src="http://wpa.qq.com/pa?p=1:'+qq+':10" border=0 align=absbottom></a>');}
function touxiangshow(id,liulanpath,userid)
{
	var str="";
	if (userid!="" && userid!=null)
	{
		str+="<img src='/touxiang/small/"+liulanpath+"' style='padding:0;position:absolute;top:0;left:0;width:120;height:90;z-index:102;'>";
		str+="<a href=/teacher/"+userid+".html target=_blank><img border=0 src='/touxiang/other/blank.gif' style='padding:0;position:absolute;top:0;left:0;width:120;height:90;z-index:103;'></a>";
	}
	else
	{
		str+="<img src='/images/useruptouxiangwu.gif' style='padding:0;position:absolute;top:0;left:0;width:120;height:90;z-index:102;'>";
	}
	eval("user"+id+".innerHTML=str");
}