function CheckNumber(Value, MinRange, MaxRange)
{
    var t = parseInt(Value, 10);
    if (isNaN(t) ==  true)
    {
        return false;
    }
    
    if (t < MinRange || t > MaxRange)
    {
        return false;
    }
    
    return true;
}
function IsIPv6AddressUshortValid(Short)
{
    /* 必须小于四 */
    if (Short.length > 4)
    {
        return false;
    }
    
    /* 每一位必须合法 */
    for (var i = 0; i < Short.length; i++)
    {
        var Char = Short.charAt(i);
        if (!((Char >= '0' && Char <= '9') || (Char >= 'a' && Char <= 'f') || (Char >= 'A' && Char <= 'F')))
        {
            return false;
        }
    }
    
    return true;
}

function IsStandardIPv6AddressValid(Address)
{
    /* :不能出现在开头和结尾 */
    if ((Address.charAt(0) == ':') || (Address.charAt(Address.length-1) == ':'))
    {
        return false;
    }    
    
    /* 最多只允许有7个： */
    List = Address.split(":");
    if (List.length > 8)
    {
        return false;
    }
    
    /* 每个USHORT必须是合法的 */
    for (var i = 0; i < List.length; i++)
    {
        if (false == IsIPv6AddressUshortValid(List[i]))
        {
            return false;
        }
    }    
    
    return true;   
}




function IsIPv6AddressValid(Address)
{
    /* ::则直接返回 */
    if (Address == "::")
    {
        return true;
    }
    
    /* 长度为0则不合法 */
    if (Address.length < 3)
    {
        return false;
    }

    /* 只允许有一个:: */
    var List = Address.split("::");
    if (List.length > 2)
    {
        return false;
    }
    
    /* 判断:的个数 */
    if (List.length == 1)
    if (Address.split(":").length != 8)
    {
        return false;
    }
    
    if (List.length > 1)
    if (Address.split(":").length > 8)
    {
        return false;
    }
    
    
    /* 判断每个小的IP地址是否合法 */
    List = Address.split("::");
    for (var i = 0; i < List.length; i++)
    {
        if (false == IsStandardIPv6AddressValid(List[i]))
        {
            return false;
        }
    }
    

    return true;
}


function IsIPv6ZeroAddress(Address)
{
    for (var i = 0; i < Address.length; i++)
    {
        if (Address.charAt(i) != '0' && Address.charAt(i) != ':')
        {
            return false;
        }
    }
    
    return true;
}


function IsIPv6LoopBackAddress(Address)
{
    if (Address.substr(Address.length-1,1) == "1")
    {
        if (IsIPv6ZeroAddress(Address.substr(0, Address.length-1)+"0") == true)
        {
            return true;
        }
    }
    return false;
}
function isValidVenderClassID(val)
{
    for ( var i = 0 ; i < val.length ; i++ )
    {
        var ch = val.charAt(i);
        if (ch == '&' || ch == '*' || ch == '(' || ch == ')'
            || ch == '`' || ch == ';' || ch == '\"' || ch == '\'' 
            || ch == '<' || ch == '>' || ch == '#' || ch == '|')
        {
            return ch;
        }
    }
    return '';
}

function SearchTr069WanInstanceId()
{
    var CurWanService = '';
    var Wan = GetWanList();
	
	for(var i = 0; i < Wan.length; i++)
	{
		CurWanService = Wan[i].ServiceList;
		if (CurWanService.indexOf("TR069") >=0 )
		{
		    return Wan[i].domain;
		}
	}
    
    return "";
}


/*以下代码完成WAN的检测和提交Form参数的填充*****************/
function GetRouteWanCount()
{
    var WanList = GetWanList();
    var Count = 0; 
    for (var i = 0; i < WanList.length; i++)
    {
        if (WanList[i].Mode == "IP_Routed")
        {
            Count++;
        }
    }
    
    return Count;
}
function CheckWan(Wan)
{	
    /* 在添加的时候需要判断路由wan规格 */
    if ((Wan.domain == null || (Wan.domain != null && Wan.domain.length < 10)) && GetRouteWanCount() >= 4 && Wan.Mode == "IP_Routed")
    {
        AlertMsg("RouteWanIsFull");
        return false;   
    }

    /*判断VlanID是否合法，以及是否已被使用*/
    var VlanID = Wan.VlanId;
    if (Wan.EnableVlan == "1")
    if ( "" == VlanID)
    {
         AlertMsg("VlanIdMustBeInput");
         return false;
     }
	 
    /* 使能vlan，才检查vlan是否合法(1~4094)  */
    if ( "1" == Wan.EnableVlan)
    {
        if ((isNaN(Wan.VlanId) || parseInt(Wan.VlanId) > 4094 || parseInt(Wan.VlanId) < 1)
	        && (('PPPoE_Bridged' == Wan.Mode) || ('IP_Bridged' == Wan.Mode)))
        {
             AlertMsg("VlanIdRang1");
             return false;
        }
	
	    if ((isNaN(Wan.VlanId) || parseInt(Wan.VlanId) > 4094 || parseInt(Wan.VlanId) < 1)
	        && ('IP_Routed' == Wan.Mode))
        {
             AlertMsg("VlanIdRang2");
             return false;
        }
    }
	
    if ( Wan.VlanId.length > 1 && Wan.VlanId.charAt(0) == '0' )
    {
        AlertMsg("VlanIdFirstChar");
        return false;
    }
    
    for (var  iVlan=0; iVlan < GetWanList().length; iVlan++ )
    {
        if (GetWanList()[iVlan].domain != Wan.domain && GetWanList()[iVlan].VlanId  ==  parseInt(((Wan.VlanId=="")?"0":Wan.VlanId)))
        {
            AlertMsg("VlanIdIsUserd");
            return false;
        }
    }


    /*判断Multi cast VlanID是否合法，以及是否已被使用*/
    var IPv4MultiVlanID = Wan.IPv4WanMVlanId;
    if ( "" != IPv4MultiVlanID)
    {
	    if (isNaN(IPv4MultiVlanID) || parseInt(IPv4MultiVlanID) > 4094 || parseInt(IPv4MultiVlanID) < 0)
	    {
	         AlertMsg("MVlanIdRang1");
	         return false;
	    }
	    if ( IPv4MultiVlanID.length > 1 && IPv4MultiVlanID.charAt(0) == '0' )
	    {
	        AlertMsg("MVlanIdFirstChar");
	        return false;
	    }
     }

    /*如果是bridge类型，则无需后面对Route参数的校验，直接返回*/
    if('IP_Bridged' == Wan.Mode)
    {
        return true;
    }

	/* 新添加WAN口 */
	if ("ADD" == EditFlag)
	{
	    /* 当前要创建TR069 WAN口，判断是否已经创建了TR069 WAN，如果是则返回失败 */
	    if('IP_Routed' == Wan.Mode)
	    {
		    var addWanService = Wan.ServiceList;
			var currInstanceId = SearchTr069WanInstanceId();
			if(currInstanceId != "" && currInstanceId != Wan.domain && addWanService.indexOf("TR069") >= 0)
			{
			    AlertMsg("OnlyOneTr069Wan");
		        return false;
			}
	    }
	}
	
   /*校验ipgetmode时static时，各参数情况*/
    if(('1' == Wan.IPv4Enable)&&('Static' == Wan.IPv4AddressMode)&&(Wan.IPv4SubnetMask == ''))
    {
        AlertMsg("SubMaskInput");
        return false;
    }	
    if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && (isValidIpAddress(Wan.IPv4IPAddress) == false || isAbcIpAddress(Wan.IPv4IPAddress) == false))
     {
         AlertMsg("IPAddressInvalid");
         return false;
     }
    if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && isValidSubnetMask(Wan.IPv4SubnetMask) == false )
    {
        AlertMsg("SubMaskInvalid");
        return false;
    }
    if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && Wan.IPv4PrimaryDNS != '' && (isValidIpAddress(Wan.IPv4PrimaryDNS) == false || isAbcIpAddress(Wan.IPv4PrimaryDNS) == false))
    {
        AlertMsg("FirstDnsInvalid");
        return false;
    }
    if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && Wan.IPv4SecondaryDNS != '' && (isValidIpAddress(Wan.IPv4SecondaryDNS) == false || isAbcIpAddress(Wan.IPv4SecondaryDNS) == false))
    {
        AlertMsg("SecondDnsInvalid");
        return false;
    }
    if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && (isValidIpAddress(Wan.IPv4Gateway) == false || isAbcIpAddress(Wan.IPv4Gateway) == false))
    {
         AlertMsg("WanGateWayInvalid");
         return false;
     }
     if ('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && (Wan.IPv4Gateway == Wan.IPv4IPAddress))
     {
         AlertMsg("IPAddressSameAsGateWay");
         return false;
     }
    if('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static' && false==isSameSubNet(Wan.IPv4IPAddress, Wan.IPv4SubnetMask, Wan.IPv4Gateway, Wan.IPv4SubnetMask))
    {
        AlertMsg("IPAddressNotInGateWay");
        return false;
    }
    if('1' == Wan.IPv4Enable && Wan.IPv4AddressMode == 'Static')
    {
        var addr = IpAddress2DecNum(Wan.IPv4IPAddress);
        var mask = SubnetAddress2DecNum(Wan.IPv4SubnetMask);
        var gwaddr = IpAddress2DecNum(Wan.IPv4Gateway);
        if ( (addr & (~mask)) == (~mask) )
        {
            AlertMsg("WANIPAddressInvalid");
            return false;
        }
        if ( (addr & (~mask)) == 0 )
        {
            AlertMsg("WANIPAddressInvalid");
            return false;
        }
        if ( (gwaddr & (~mask)) == (~mask) )
        {
            AlertMsg("WANGateWayIPAddressInvalid");
            return false;
        }
        if ( (gwaddr & (~mask)) == 0 )
        {
             AlertMsg("WANGateWayIPAddressInvalid");
            return false;
        }
    }
    
    if ('1' == Wan.IPv4Enable && 'Static' == Wan.IPv4AddressMode)
    {
        for (var iIP=0; iIP < GetWanList().length; iIP++)
        {
            if (GetWanList()[iIP].domain != Wan.domain && GetWanList()[iIP].IPv4IPAddress == Wan.IPv4IPAddress)
            {
                AlertMsg("IPAddressIsUserd");
                return false;
            }
        } 
    }

   /*校验pppop时，密码不能为空*/
    if ('1' == Wan.IPv4Enable && "1" != Wan.IPv6Enable && 'PPPoE' == Wan.EncapMode)
    {
        var usr = Wan.UserName;
        var psw = Wan.Password;
        var DiaMode = Wan.IPv4DialMode;
        var Idletime = Wan.IPv4DialIdleTime;
      
	/*
        if ( "" == usr.value )
        {
            AlertMsg("PPPUserNameInput");
            return false;
        }
        else if ("" == psw.value)
        {
            AlertMsg("PPPPasswordInput");
            return false;
        }
        */
        
        if (DiaMode == "OnDemand")
        {
            if (!(Idletime <= 86400))
            {
                AlertMsg("DiaIdleTime1");
                return false;
            }
        }
    }

	if ('1' == Wan.IPv4Enable && "DHCP" == Wan.IPv4AddressMode)
	{
        if ('' != isValidVenderClassID(Wan.IPv4VendorId))
        {
            AlertMsg("VendorIdInvalid");
            return false;
        }
	}
	
	/* 校验IPV6前缀 */
	if (Wan.IPv6Enable == "1" && Wan.IPv6PrefixMode == "Static")
	{
	    if (Wan.IPv6StaticPrefix.length == 0)
	    {
	        AlertMsg("IPv6PrefixEmpty");
	        return false;
	    }

	    var List = Wan.IPv6StaticPrefix.split("/");
	    if (List.length != 2)
	    {
	        AlertMsg("IPv6PrefixInvalid");
	        return false;
	    }

	    if (parseInt(List[1]) < 1 || isNaN(parseInt(List[1])) == true || parseInt(List[1]) > 64)
	    {
            	AlertMsg("IPv6PrefixInvalid");
            	return false;    
	    }

	    if (IsIPv6AddressValid(List[0]) == false)
	    {
            	AlertMsg("IPv6PrefixInvalid");
            	return false;  
	    }

	    if ( IsIPv6ZeroAddress(List[0]) == true)
	    {
            	AlertMsg("IPv6PrefixInvalid");
            	return false;  
	    } 

	    if (parseInt(List[0].split(":")[0], 16) >= parseInt("0xFF00", 16))
            {
                AlertMsg("IPv6PrefixInvalid");
                return false;   
            } 
	}
	
	/* 校验地址掩码 */
	if (Wan.IPv6Enable == "1" && Wan.IPv6AddressMode == "AutoConfigured" && Wan.IPv6AddressStuff.length > 0)
	{
	    var List = Wan.IPv6AddressStuff.split("/");
	    if (List.length != 2)
	    {
	        AlertMsg("IPv6PrefixMaskInvalid");
	        return false;   
	    }
	    if (isNaN(parseInt(List[1])) == true || parseInt(List[1]) != 64)
	    {
                AlertMsg("IPv6PrefixMaskInvalid");
                return false;    
	    }
	    if (IsIPv6AddressValid(List[0]) == false)
	    {
                AlertMsg("IPv6PrefixMaskInvalid");
                return false;  
	    } 

	}
	
	/* 校验地址 */
    if (Wan.IPv6Enable == "1" && Wan.IPv6AddressMode == "Static")
    {
        if (Wan.IPv6IPAddress.length == 0)
        {
            AlertMsg("IPv6AddressEmpty");
            return false;
        }

        if (IsIPv6AddressValid(Wan.IPv6IPAddress) == false)
        {
            AlertMsg("IPv6AddressInvalid");
            return false;  
        }

        if (parseInt(Wan.IPv6IPAddress.split(":")[0], 16) >= parseInt("0xFF00", 16))
        {
            AlertMsg("IPv6AddressInvalid");
            return false;   
        } 

        if (IsIPv6ZeroAddress(Wan.IPv6IPAddress) == true)
        {
           AlertMsg("IPv6AddressInvalid");
           return false;  
        }

        if (IsIPv6LoopBackAddress(Wan.IPv6IPAddress) == true)
        {
            AlertMsg("IPv6AddressInvalid");
            return false;    
        }

        /* 校验DNS */
        if (Wan.IPv6PrimaryDNS.length > 0 && IsIPv6AddressValid(Wan.IPv6PrimaryDNS) == false)
        {
            AlertMsg("IPv6FirstDnsInvalid");
            return false;
        }

        if (Wan.IPv6SecondaryDNS.length > 0 && IsIPv6AddressValid(Wan.IPv6SecondaryDNS) == false)
        {
            AlertMsg("IPv6SecondDnsInvalid");
            return false;
        }
    }
	
	/* 如果输入了IPv6的组播Vlan则就不应该输入错误 */
	if (0 < Wan.IPv6WanMVlanId.length)
	{
	    if (false == CheckNumber(Wan.IPv6WanMVlanId, 1, 4094))
	    {
	        AlertMsg("IPv6MVlanRange");
	        return false;
	    }
	}

    return true;
}