function CheckOrder(form){
	for(var i = 0;i < form.length;i++){
		if(form[i].name.toLowerCase().indexOf("productnum") > -1){
			form[i].value = ReplaceSpecialChars(form[i].value);
			form[i].style.background = "#ffffff";
			if(/^[0-9]+$/.test(form[i].value) == false){
				alert("只能输入数字");
				form[i].style.background = "#ffff00";
				form[i].focus();
				return false;
			}
		}
	}
}

function CheckLogin(form){
	form.UserName.value = form.UserName.value.trim();
	if(form.UserName.value == ""){
		alert("用户名不能为空");
		form.UserName.focus();
		return false;
	}
	form.Password.value = form.Password.value.trim();
	if(form.Password.value == ""){
		alert("密码不能为空");
		form.Password.focus();
		return false;
	}
}

function CheckSaveOrder(form){
	form.Company.value = form.Company.value.trim();
	if(form.Company.value == ""){
		alert("公司名不能为空");
		form.Company.focus();
		return false;
	}
	form.Contact.value = form.Contact.value.trim();
	if(form.Contact.value == ""){
		alert("联系人不能为空");
		form.Contact.focus();
		return false;
	}
	form.Address.value = form.Address.value.trim();
	if(form.Address.value == ""){
		alert("地址不能为空");
		form.Address.focus();
		return false;
	}
	form.PostCode.value = form.PostCode.value.trim();
	if(form.PostCode.value != "" && !isPostCode(form.PostCode.value)){
		alert("邮编格式不正确");
		form.PostCode.focus();
		return false;
	}
	form.Tel.value = form.Tel.value.trim();
	if(form.Tel.value != "" && !isTel(form.Tel.value)){
		alert("电话号码格式不正确");
		form.Tel.focus();
		return false;
	}
	form.Fax.value = form.Fax.value.trim();
	if(form.Fax.value != "" && !isTel(form.Fax.value)){
		alert("传真号码格式不正确");
		form.Fax.focus();
		return false;
	}
	form.Mobile.value = form.Mobile.value.trim();
	if(form.Mobile.value != "" && !isMobile(form.Mobile.value)){
		alert("手机号码格式不正确");
		form.Mobile.focus();
		return false;
	}
	if(form.Mobile.value == ""){
		alert("手机不能为空");
		form.Mobile.focus();
		return false;
	}
	form.Email.value = form.Email.value.trim();
	if(form.Email.value == ""){
		alert("电子邮箱不能为空");
		form.Email.focus();
		return false;
	}
	if(!isEmail(form.Email.value)){
		alert("电子邮箱格式不正确");
		form.Email.focus();
		return false;
	}
}

function CheckSaveMsg(form){
	form.Company.value = form.Company.value.trim();
	if(form.Company.value == ""){
		alert("公司名不能为空");
		form.Company.focus();
		return false;
	}
	form.Contact.value = form.Contact.value.trim();
	if(form.Contact.value == ""){
		alert("联系人不能为空");
		form.Contact.focus();
		return false;
	}
	form.Tel.value = form.Tel.value.trim();
	if(form.Tel.value != "" && !isTel(form.Tel.value)){
		alert("电话号码格式不正确");
		form.Tel.focus();
		return false;
	}
	form.Fax.value = form.Fax.value.trim();
	if(form.Fax.value != "" && !isTel(form.Fax.value)){
		alert("传真号码格式不正确");
		form.Fax.focus();
		return false;
	}
	form.Email.value = form.Email.value.trim();
	if(form.Email.value == ""){
		alert("电子邮箱不能为空");
		form.Email.focus();
		return false;
	}
	if(!isEmail(form.Email.value)){
		alert("电子邮箱格式不正确");
		form.Email.focus();
		return false;
	}
	var Title = form.Title.value.trim();
	if(Title == ""){
		alert("留言标题不能为空");
		form.Title.focus();
		return false;
	}else if(Title.length > 100){
	    alert("留言标题不能超过100个字");
	    form.Title.focus();
	    return false;
	}
	
	form.Content.value = form.Content.value.trim();
	if(form.Content.value == ""){
		alert("留言内容不能为空");
		form.Content.focus();
		return false;
	}
	form.VCode.value = form.VCode.value.trim();
	if(form.VCode.value == ""){
		alert("验证码不能为空");
		form.VCode.focus();
		return false;
	}
}

function CheckUserChangePass(form){
	form.OldPassword.value = form.OldPassword.value.trim();
	if(form.OldPassword.value == ""){
		alert("旧密码不能为空");
		form.OldPassword.focus();
		return false;
	}
	form.NewPassword.value = form.NewPassword.value.trim();
	if(form.NewPassword.value == ""){
		alert("新密码不能为空");
		form.NewPassword.focus();
		return false;
	}
	form.NewPasswordC.value = form.NewPasswordC.value.trim();
	if(form.NewPassword.value != form.NewPasswordC.value){
		alert("新密码与确认密码不相同");
		form.NewPassword.focus();
		return false;
	}
}

function CheckUserReg(form){
	form.UserName.value = form.UserName.value.trim();
	if(form.UserName.value == ""){
		alert("用户名不能为空");
		form.UserName.focus();
		return false;
	}
	if(/^[0-9a-zA-Z\-_]+$/.test(form.UserName.value) == false){
		alert("用户名格式不正确，只能是英文字母或数字的组合");
		form.UserName.focus();
		return false;
	}
	form.Password.value = form.Password.value.trim();
	if(form.Password.value == ""){
		alert("密码不能为空");
		form.Password.focus();
		return false;
	}
	form.PasswordC.value = form.PasswordC.value.trim();
	if(form.Password.value != form.PasswordC.value){
		alert("会员密码与确认密码不相同");
		form.Password.focus();
		return false;
	}
	if(!CheckUserModify(form)) return false;
	form.VCode.value = form.VCode.value.trim();
	if(form.VCode.value == ""){
		alert("验证码不能为空");
		form.VCode.focus();
		return false;
	}
}

function CheckUserModify(form){
	form.Company.value = form.Company.value.trim();
	if(form.Company.value == ""){
		alert("公司名不能为空");
		form.Company.focus();
		return false;
	}
	form.Contact.value = form.Contact.value.trim();
	if(form.Contact.value == ""){
		alert("联系人不能为空");
		form.Contact.focus();
		return false;
	}
	form.Address.value = form.Address.value.trim();
	if(form.Address.value == ""){
		alert("地址不能为空");
		form.Address.focus();
		return false;
	}
	form.PostCode.value = form.PostCode.value.trim();
	if(form.PostCode.value != "" && !isPostCode(form.PostCode.value)){
		alert("邮编格式不正确");
		form.PostCode.focus();
		return false;
	}
	form.Tel.value = form.Tel.value.trim();
	if(form.Tel.value != "" && !isTel(form.Tel.value)){
		alert("电话号码格式不正确");
		form.Tel.focus();
		return false;
	}
	form.Fax.value = form.Fax.value.trim();
	if(form.Fax.value != "" && !isTel(form.Fax.value)){
		alert("传真号码格式不正确");
		form.Fax.focus();
		return false;
	}
	form.Mobile.value = form.Mobile.value.trim();
	if(form.Mobile.value != "" && !isMobile(form.Mobile.value)){
		alert("手机号码格式不正确");
		form.Mobile.focus();
		return false;
	}
	if(form.Mobile.value == "" && form.Tel.value == ""){
		alert("手机或联系电话必须填写其中一个");
		form.Mobile.focus();
		return false;
	}
	form.Email.value = form.Email.value.trim();
	if(form.Email.value == ""){
		alert("电子邮箱不能为空");
		form.Email.focus();
		return false;
	}
	if(!isEmail(form.Email.value)){
		alert("电子邮箱格式不正确");
		form.Email.focus();
		return false;
	}
	return true;
}