function inputCheck(){

	var msg = "Sorry...the following fields need completing:\n\n\n";
	var obj;
	var ret = true;

	if(document.calendarForm.title.value=="Please select"){
			msg += '- Title \n';
			obj = document.calendarForm.title;
			ret = false;
	}
	if(document.calendarForm.firstname.value==""){
			msg += '- Firstname \n';
			obj = document.calendarForm.firstname;
			ret = false;
	}
	if(document.calendarForm.surname.value==""){
			msg += '- Surname \n';
			obj = document.calendarForm.surname;
			ret = false;
	}
	if(document.calendarForm.address1.value==""){
			msg += '- Address 1 \n';
			obj = document.calendarForm.address1;
			ret = false;
	}
  if(document.calendarForm.postcode.value==""){
			msg += '- Postcode \n';
			obj = document.calendarForm.postcode;
			ret = false;
	}
  if(document.calendarForm.email.value==""){
			msg += '- Email Address \n';
			obj = document.calendarForm.email;
			ret = false;
	}
  if(document.calendarForm.renewalMM.value=="mm"){
			msg += '- Renewal month \n';
			obj = document.calendarForm.renewalMM;
			ret = false;
	}
   if(document.calendarForm.renewalMM.value==""){
			msg += '- Renewal month \n';
			obj = document.calendarForm.renewalMM;
			ret = false;
	}
  if(document.calendarForm.renewalYYYY.value=="yyyy"){
			msg += '- Renewal year \n';
			obj = document.calendarForm.renewalYYYY;
			ret = false;
	}
   if(document.calendarForm.renewalYYYY.value==""){
			msg += '- Renewal year \n';
			obj = document.calendarForm.renewalYYYY;
			ret = false;
	}
  
    if (!ret) {
   alert(msg);
  }
  return ret;
}

function IsNumeric(strString)
{
 //  check for valid numeric strings	
 var strValidChars = "0123456789 ";
 var strChar;
 var blnResult = true;

 if (strString.length == 0) return false;

 //  test strString consists of valid characters listed above
 for (i = 0; i < strString.length && blnResult == true; i++)
 {
  strChar = strString.charAt(i);
  if (strValidChars.indexOf(strChar) == -1)
  {
   blnResult = false;
  }
 }
 return blnResult;
}