$(document).ready(function()
{
   $('#prc_price').val('$300.00'); // default price
   $('#prc_users, #prc_duration, #prc_price').change(function()
    {
	if ($('#prc_users').val() == 0) // 1-10 users
	{
	    var total;

	    switch ($('#prc_duration').val())
	    {
		case '78':
			total = 300.00;
		    break;
		case '79':
			total = 19.95;
		    break;
		case '80':
			total = 3.95;
		    break;
	    }
	    $('#prc_price').val('$' + total.toFixed(2));
	}
	else
	{
	    $('#prc_price').val('Please contact us');
	}


    });
});