// JavaScript Document
function docheck()
{
	var fname		= document.loginform.f_user.value;
	var fpass		= document.loginform.f_pass.value;
   	var pattern 	= /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
		
	if	(fname == '' || fname == '请输入邮箱帐户')	{
		alert ('请输入您的账户名！');return false;
	}
//	if (! pattern.test(fname) ) {
//        	alert('请填写正确的Email地址! 请在英文输入状态输入邮箱以避免全角字符问题。Email地址前后不要有空格！'); return false;
//   	}
	if	(fpass == '' || fpass == '请输入邮箱口令')	{
		alert ('请输入密码！');return false;
	}
return true;
}
function docheck2()
{
	var fname		= document.searform.searchinfo.value;
	
	if	(fname == '' || fname == '请输入标题关键字')	{
		alert ('请输入标题关键字！');return false;
	}
return true;
}

function docheck3()
{
	var adminname		= document.loginsystem.login.value;
	var adminpass		= document.loginsystem.password.value;
	var num				= document.loginsystem.code.value;
   	var pattern 	= /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;

	if	(adminname == '')	{
		alert ('请输入您的用户名！');return false;
	}
	if	(adminpass == '')	{
		alert ('请输入密码！');return false;
	}
	if	(num == '')	{
		alert ('请输入验证码！');return false;
	}
	return true;
}
function docheck4()
{
	var num	= document.twfrom.num.value;
	var channel	= document.twfrom.channel.value;
	var name = document.twfrom.name.value;
	var title = document.twfrom.title.value;
	var message	= document.twfrom.message.value;	
	
	if	(name == '')	{
		alert ('请输入您的姓名！');return false;
	}
	if	(title == '')	{
		alert ('请输入您问题的标题！');return false;
	}
	if	(message == '')	{
		alert ('请输入内容！');return false;
	}
	if	(channel == '0000')	{
		alert ('请选择问题分类！');return false;
	}
	if	(num == '')	{
		alert ('请输入验证码！');return false;
	}
	return true;
}
function docheck5()
{
	var searchinfo		= document.loginform5.searchinfo.value;
	var num				= document.loginform5.num.value;
		
	if	(searchinfo == '')	{
		alert ('请输入您要搜索的关键字！');return false;
	}
	if	(num == '')	{
		alert ('请输入验证码！');return false;
	}
	return true;
}