function isNumber(num)
{   
    var number = "1234567890";
    var temp;
    for (var i = 0; i < num.length; i++ )
    {
        temp = num.substring(i,i+1);
        if (number.indexOf(temp) == -1)
        {
        return (false);
        }
    }
}

//会员注册项检查
function checkdata_Reg()
{

	if (document.submitform_Reg.mlogname.value=="")
	{
		alert("登录名不能为空！");
		document.submitform_Reg.mlogname.focus();
	return false;	
    }
    if (document.submitform_Reg.mpassword.value=="")
	{
		alert("密码不能为空！");
		document.submitform_Reg.mpassword.focus();
	return false;	
	}
	if (document.submitform_Reg.mpassword.value.length < 6)
	{
		 alert("密码不能少于6位！")
		 document.submitform_Reg.mpassword.focus()
	return false;
	}
    if (document.submitform_Reg.repwd.value=="")
	{
		alert("确认密码不能为空！");
		document.submitform_Reg.repwd.focus();
	return false;	
	}
	if (submitform_Reg.repwd.value != submitform_Reg.mpassword.value)
	{
		alert("两次输入的新密码不一致，请重新输入")
		document.submitform_Reg.repwd.focus();
		document.submitform_Reg.mpassword.value = "";
		document.submitform_Reg.repwd.value = "";
	return false;
	}
	if(document.submitform_Reg.mselfmail.value=="")
	{
		alert("请输入E-mail！");
		document.submitform_Reg.mselfmail.focus();
	return false;
	}
	if (document.submitform_Reg.mselfmail.value.length < 8)
	{
		 alert("电子邮件长度不正确")
		 document.submitform_Reg.mselfmail.focus()
		 return false;
	}
	 else
	{
	 if (document.submitform_Reg.mselfmail.value.indexOf(".") <=0 || document.submitform_Reg.mselfmail.value.indexOf("@") == -1)
	   {
		 alert("电子邮件格式不正确")
		 document.submitform_Reg.mselfmail.focus()
		 return false;
	   }
	}			
	if(document.submitform_Reg.mname.value=="")
	{
		alert("请输入昵称！");
		document.submitform_Reg.mname.focus();
	return false;
	}
	if (document.submitform_Reg.mcompany.value=="")
	{
		alert("请输入公司名称！");
		document.submitform_Reg.mcompany.focus();
	return false;	
    }
	if (document.submitform_Reg.mcomaddress.value=="")
	{
		alert("请输入公司地址！");
		document.submitform_Reg.mcomaddress.focus();
	return false;	
    }
	if (document.submitform_Reg.mperson.value=="")
	{
		alert("请输入联系人姓名！");
		document.submitform_Reg.mperson.focus();
	return false;	
    }
	if (document.submitform_Reg.mmail.value=="")
	{
		alert("请输入联系人E-mail！");
		document.submitform_Reg.mmail.focus();
	return false;	
    }
	if (document.submitform_Reg.mmail.value.length < 8)
	{
		 alert("电子邮件长度不正确")
		 document.submitform_Reg.mmail.focus()
		 return false;
	}
	 else
	{
	 if (document.submitform_Reg.mmail.value.indexOf(".") <=0 || document.submitform_Reg.mmail.value.indexOf("@") == -1)
	   {
		 alert("电子邮件格式不正确")
		 document.submitform_Reg.mmail.focus()
		 return false;
	   }
	}			
	if (document.submitform_Reg.mtel.value=="")
	{
		alert("请输入联系人电话！");
		document.submitform_Reg.mtel.focus();
	return false;	
    }
	if (document.submitform_Reg.mzhizhao.value=="")
	{
		alert("请上传营业执照复印件！");
		document.submitform_Reg.mzhizhao.focus();
	return false;	
    }
	if (document.submitform_Reg.mzhengshu.value=="")
	{
		alert("请上传证书复印件！");
		document.submitform_Reg.mzhengshu.focus();
	return false;	
    }

return true;
}

//会员信息修改项检查
function checkdata_Mod()
{
	if(document.submitform_Mod.mname.value=="")
	{
		alert("请输入昵称！");
		document.submitform_Mod.mname.focus();
	return false;
	}
	if(document.submitform_Mod.mselfmail.value=="")
	{
		alert("请输入E-mail！");
		document.submitform_Mod.mselfmail.focus();
	return false;
	}
	if (document.submitform_Mod.mselfmail.value.length < 8)
	{
		 alert("电子邮件长度不正确")
		 document.submitform_Mod.mselfmail.focus()
		 return false;
	}
	 else
	{
	 if (document.submitform_Mod.mselfmail.value.indexOf(".") <=0 || document.submitform_Mod.mselfmail.value.indexOf("@") == -1)
	   {
		 alert("电子邮件格式不正确")
		 document.submitform_Mod.mselfmail.focus()
		 return false;
	   }
	}			


if (document.submitform_Mod.mcompany.value=="")
	{
		alert("请输入公司名称！");
		document.submitform_Mod.mcompany.focus();
	return false;	
    }
	if (document.submitform_Mod.mcomaddress.value=="")
	{
		alert("请输入公司地址！");
		document.submitform_Mod.mcomaddress.focus();
	return false;	
    }
	if (document.submitform_Mod.mperson.value=="")
	{
		alert("请输入联系人姓名！");
		document.submitform_Mod.mperson.focus();
	return false;	
    }
	if (document.submitform_Mod.mmail.value=="")
	{
		alert("请输入联系人E-mail！");
		document.submitform_Mod.mmail.focus();
	return false;	
    }
	if (document.submitform_Mod.mmail.value.length < 8)
	{
		 alert("电子邮件长度不正确")
		 document.submitform_Mod.mmail.focus()
		 return false;
	}
	 else
	{
	 if (document.submitform_Mod.mmail.value.indexOf(".") <=0 || document.submitform_Mod.mmail.value.indexOf("@") == -1)
	   {
		 alert("电子邮件格式不正确")
		 document.submitform_Mod.mmail.focus()
		 return false;
	   }
	}			
	if (document.submitform_Mod.mtel.value=="")
	{
		alert("请输入联系人电话！");
		document.submitform_Mod.mtel.focus();
	return false;	
    }

return true;
}

//发布易货信息检查项
function checkdata_PubMsg()
{
	if(document.submitform_Mod.msgEndtime.value=="")
	{
		alert("交易结束日期不能为空！");
		document.submitform_Mod.msgEndtime.focus();
	return false;
	}
	if(document.submitform_Mod.O_mptitle.value=="")
	{
		alert("请输入易出货品名称！");
		document.submitform_Mod.O_mptitle.focus();
	return false;
	}
	if (document.submitform_Mod.O_mpnum.value=="")
	{
		alert("请输入易出货品数量！");
		document.submitform_Mod.O_mpnum.focus();
	return false;	
    }
//    if (isNumber(submitform_Mod.O_mpnum.value) == false)
//    {
//        alert("货品数量必须为数字！");
//        submitform_Mod.O_mpnum.focus();        
//        return (false);
//    } 
	if(document.submitform_Mod.I_mptitle.value=="")
	{
		alert("请输入易入货品名称！");
		document.submitform_Mod.I_mptitle.focus();
	return false;
	}
	if (document.submitform_Mod.I_mpnum.value=="")
	{
		alert("请输入易入货品数量！");
		document.submitform_Mod.I_mpnum.focus();
	return false;	
    }
//    if (isNumber(submitform_Mod.I_mpnum.value) == false)
//    {
//        alert("货品数量必须为数字！");
//        submitform_Mod.I_mpnum.focus();        
//        return (false);
//    } 

return true;
}

function Searchdata()
{
	if (document.Match.OutKwd.value=="" && document.Match.Inkwd.value=="")
	{
		alert("请输入货品关键字");
		document.Match.OutKwd.focus();
	return false;
	}
	return true;
}

function VoteCheck()
{
	if (document.vote.voteselect.value=="")
	{
		alert("请选择您的答案！");
		//document.vote.voteselect.focus();
	return false;
	}
	return true;
}

function checkpwd()
{
	if (document.checkform.OldPwd.value=="")
	{
		alert("请输入旧密码");
		document.checkform.OldPwd.focus();
	return false;
	}
	if (document.checkform.NewPwd.value=="")
	{
		alert("请输入新密码");
		document.checkform.NewPwd.focus();
	return false;
	}
	if (document.checkform.NewPwd_Agin.value=="")
	{
		alert("请确认新密码");
		document.checkform.NewPwd_Agin.focus();
	return false;
	}
	if (checkform.NewPwd_Agin.value != checkform.NewPwd.value)
	{
		alert("两次输入的新密码不一致，请重新输入")
		document.checkform.NewPwd_Agin.focus();
	return false;
	}
	return true;
}