jQuery(function() {
	jQuery("#calculatorForm").bind('submit', submitCalculatorForm);								
								
});

function submitCalculatorForm() {
	var birthMonth = jQuery("#month").val();
	var birthDay = jQuery("#day").val();
	var birthYear = jQuery("#year").val();
	
	if (!validMonth(birthMonth)) {
		alert("Please enter a valid birth month.");
		jQuery("#month").focus()[0].select();
		return false;
	}
	if (!validDay(birthDay)) {
		alert("Please enter a valid birth day.");	
		jQuery("#day").focus()[0].select();
		return false;		
	}
	if (!validYear(birthYear)) {
		alert("Please enter a valid birth year.");	
		jQuery("#year").focus()[0].select();
		return false;		
	}	
	return true;
}