$(document).ready (
	function() {
		$('input[name="email"]').click (
			function() {
				if ( $(this).val() == 'E-mail' ) $(this).val('');
			}
		);

		$('input[name="email"]').blur (
			function() {
				if ( $(this).val() == '' ) $(this).val('E-mail');
			}
		);

		$('input[name="password"]').click (
			function() {
				if ( $(this).val() == 'Password' ) $(this).val('');
			}
		);

		$('input[name="password"]').blur (
			function() {
				if ( $(this).val() == '' ) $(this).val('Password');
			}
		);

		$('input.calculate').keyup (
			function() {
				$(this).val($(this).val().replace(/,/g, '.'));

				var index = $(this).attr('name').replace(/[^0-9]+/g, '');
				var teeth = Number($('input[name="teeth[' + index + ']"]').val());
				var size = parseFloat($('input[name="productsize[' + index + ']"]').val());
				var baseprice = parseFloat($('input[name="price[' + index + ']"]').val());
				var quantity = Number($('input[name="quantity[' + index + ']"]').val());
				var price = parseFloat(teeth * size * baseprice * quantity);
				$('input[name="money[' + index + ']"]').val('$' + price.toFixed(7));
				return false;
			}
		);
	}
);