function CheckMemberInput()
{
	var ema;
	var emb;
	var emi;
	var emj;
	
	if(document.member.userid.value.length < 4)
	{
		window.alert("用户登录名必须四位以上");
		document.member.userid.focus();
		return false;
	} 
   
   for(var i=0;i<document.member.userid.value.length;i++)
   {
	   var c=document.member.userid.value.charAt(i);
      if(!((c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z")||c=="_"))
      {
      	window.alert("用户名包含非法字符");
         document.member.userid.focus();
         return false;
      }
   }
   
   if(document.member.userpwd.value.length < 4)
   {
   	window.alert("用户口令不足四位");
   	document.member.userpwd.focus();
   	return false;
   } 
   
   for(var i=0;i<document.member.userpwd.value.length;i++)
   {
   	var c=document.member.userpwd.value.charAt(i);
      if(!((c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z")||c=="_"))
      {
      	window.alert("口令包含非法字符");
         document.member.userpwd.focus();
         return false;
      }
   }
   
   if(document.member.userpwd1.value.length == 0)
   {
   	window.alert("请您再次输入用户口令.");
      document.member.userpwd1.focus();
      return false;
   } 
   
   if(document.member.userpwd1.value != document.member.userpwd.value)
   {
   	window.alert("请您输入用户口令前后不一致，请检查！");
      document.member.userpwd.focus();
      return false;
   } 

	if(document.member.name.value.length == 0)
	{
   	window.alert("请填写您的真实姓名");
   	document.member.name.focus();
   	return false;
   }
 
   if(document.member.tel.value.length == 0)
	{
   	window.alert("请填写您的联系电话");
   	document.member.tel.focus();
   	return false;
   }
   
	if(document.member.email.value.length == 0)
	{
   	window.alert("请留下您的E-mail");
   	document.member.email.focus();
   	return false;
   }

	if(document.member.oicq.value.length == 0)
	{
   	window.alert("请留下您的qq!");
   	document.member.oicq.focus();
   	return false;
   }

	for(var i=0;i<document.member.email.value.length;i++)
   {
      var c=document.member.email.value.charAt(i);
      if(c=="@"){ema=true;emi=i}
      if(c=="."){emb=true;emj=i}
   }
  	if(!(ema&emb&(emj>emi+2)&(emj<document.member.email.value.length-1)))
   {
   	window.alert("请您输入合法的email！");
      document.member.email.focus();
      return false;
   }       

	return true; 
}

function CheckInfoEditInput()
{
	var ema;
	var emb;
	var emi;
	var emj;

	if(document.member.name.value.length == 0)
	{
   	window.alert("请填写您的真实姓名");
   	document.member.name.focus();
   	return false;
   }
 
   if(document.member.tel.value.length == 0)
	{
   	window.alert("请填写您的联系电话");
   	document.member.tel.focus();
   	return false;
   }
   
	if(document.member.email.value.length == 0)
	{
   	window.alert("请留下您的E-mail");
   	document.member.email.focus();
   	return false;
   }

	if(document.member.oicq.value.length == 0)
	{
   	window.alert("请留下您的qq!");
   	document.member.oicq.focus();
   	return false;
   }
   
	for(var i=0;i<document.member.email.value.length;i++)
   {
      var c=document.member.email.value.charAt(i);
      if(c=="@"){ema=true;emi=i}
      if(c=="."){emb=true;emj=i}
   }
  	if(!(ema&emb&(emj>emi+2)&(emj<document.member.email.value.length-1)))
   {
   	window.alert("请您输入合法的email！");
      document.member.email.focus();
      return false;
   }       

	return true; 
}


function CheckPwdEditInput()
{
 
   if(document.pwd.newpwd.value.length < 4)
   {
   	window.alert("用户口令不足四位");
   	document.pwd.newpwd.focus();
   	return false;
   } 
   
   for(var i=0;i<document.pwd.newpwd.value.length;i++)
   {
   	var c=document.pwd.newpwd.value.charAt(i);
      if(!((c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z")||c=="_"))
      {
      	window.alert("口令包含非法字符");
         document.pwd.newpwd.focus();
         return false;
      }
   }
   
   if(document.pwd.newpwd1.value.length == 0)
   {
   	window.alert("请您再次输入用户口令.");
      document.pwd.newpwd1.focus();
      return false;
   } 
   
   if(document.pwd.newpwd1.value != document.pwd.newpwd.value)
   {
   	window.alert("请您输入用户口令前后不一致，请检查！");
      document.pwd.newpwd.focus();
      return false;
   } 

	return true; 
}