validation message multiple elements

validation message multiple elements

I have 3 elements on the same row (below) but I end up with 3 error messages on the same line, which is crap. Is there a way of creating a date and checking its validity and displaying ONE error message?
 :
   <tr>
    <td width="30%"><label for="dob">Date of Birth </label></td>
    <td width="40%"><input type="text" id="dobDay"  name="dobDay" size="4" value="day" onFocus="this.value='';" maxlength=2 /> / <input type="text" id="dobMonth"  name="dobMonth" size="4"  value="month" onFocus="this.value='';" maxlength=2 validate="required:true,range: [1,12]" /> / <input type="text" id="dobYear"  name="dobYear" size="4"  value="year" onFocus="this.value='';" maxlength=4 /></td>
    <td width="30%"></td>
   </tr>



With the validation rules:
    dobDay: {
     required:true,
     number:true
    },
    dobMonth: {
     required:true,
     number:true,
     range: [1,12]
    },
    dobYear: {
     required:true,
     number:true,
     maxlength:4,
     minlength:4
    },
    contactMethod: {
     required: true,
     minlength:1
    },    
    typeOfMS: {
     required:true,
     minlength:1
    }
    ,
    dmt: {
     required:true,
     minlength:1
    },
    edss: {
      required:true,
      minlength:1
    },
    email: { required: function() {
        return $("#noEmail").is(":checked");
        },
        email: true
    },
    DiagnosisMonth: {
     number:true,
     required:false
    },
    DiagnosisYear: {
     number:true,
     required:true
    },
    qol: {
     required:true,
     minlength:1
    },
    completedOther: { required: function() {
     return $("#selCompletedBy").val()=='Other';
     }     
    }
   },messages: {
    contactMethod : "Please select at least one contact Method",
    typeOfMS      : "Please select your Type of MS",
    dmt           : "Please select a therapy",
    edss          : "Please select the EDSS Band",
    postcode      : "Please enter a valid postcode",
    telephone     : "Please enter your telephone number",
    email         : "Please enter a valid email address",
    DiagnosisMonth: "Enter a valid month between 1 and 12",
    DiagnosisYear : "Enter a valid year",
    qol           : "Please select the patients' Quality of Life",
    dobDay        : "Day",
    dobMonth      : "Month",
    dobYear       : "Year",
    completedOther : "Who completed this form"
   }
  });