$(function() {
	$('#qRSubmit_button').click(function() {
		if( isDate($('#qRCI_input').val()) && isDate($('#qRCO_input').val()) ) {
			return true;
		} else {
			alert("Please enter valid dates in the form MM/DD/YYYY");
			return false;
		}
	});
});

function isDate(txtDate) {
	var	objDate,  // date object initialized from the txtDate string
		mSeconds, // txtDate in milliseconds
        	day,      // day
		month,    // month
		year;    // year
	// date length should be 10 characters (no more no less)
	if (txtDate.length !== 10) {
		return false;
	}
	// third and sixth character should be '/'
	if (txtDate.substring(2, 3) !== '/' || txtDate.substring(5, 6) !== '/') {
		return false;
	}
	// extract month, day and year from the txtDate (expected format is mm/dd/yyyy)
	// subtraction will cast variables to integer implicitly (needed
	// for !== comparing)
	month = txtDate.substring(0, 2) - 1; // because months in JS start from 0
	day = txtDate.substring(3, 5) - 0;
	year = txtDate.substring(6, 10) - 0;
	// test year range
	if (year < 1000 || year > 3000) {
		return false;
	}
	// convert txtDate to milliseconds
	mSeconds = (new Date(year, month, day)).getTime();
	// initialize Date() object from calculated milliseconds
	objDate = new Date();
	objDate.setTime(mSeconds);
	// compare input date and parts from Date() object
	// if difference exists then date isn't valid
	if (objDate.getFullYear() !== year ||
		objDate.getMonth() !== month ||
		objDate.getDate() !== day) {
		return false;
	}
	// otherwise return true
	return true;
}