remove the old onchange function, it's no longer needed.

WebContent/jsp/ugradpage2f.jsp

@@ -474,11 +474,11 @@
                         <legend></legend>
                         <div>
                             <label for="HS_Grad_month" class="required">Month <span class="helperText">MM</span></label>
-                            <input required type="text" id="HS_Grad_month" name="HS_Grad_month" value="<c:out value='${ugApp.hsGradDtMm}'/>" maxlength="2" class="validate-digits" onchange="validDate(this,'month')" />
+                            <input required type="text" id="HS_Grad_month" name="HS_Grad_month" value="<c:out value='${ugApp.hsGradDtMm}'/>" maxlength="2" class="validate-digits" />
                         </div>
                         <div>
                             <label for="HS_Grad_year" class="required">Year <span class="helperText">YYYY</span></label>
-                            <input required type="text" id="HS_Grad_year" name="HS_Grad_year" value="<c:out value='${ugApp.hsGradDtYyyy}'/>" maxlength="4" class="validate-digits" onchange="validDate(this,'month')" />
+                            <input required type="text" id="HS_Grad_year" name="HS_Grad_year" value="<c:out value='${ugApp.hsGradDtYyyy}'/>" maxlength="4" class="validate-digits" />
                         </div>
                         <input type="hidden" name="HS_Grad_month_default" value='<unltags:psDbdTranslate applId="ugrad" elementId="hsGradDtDefault" elementValue="mm"/> '>
                         <input type="hidden" name="HS_Grad_year_default" value='<unltags:psDbdTranslate applId="ugrad" elementId="hsGradDtDefault" elementValue="yyyy"/> '>