jQuery(document).ready(function()

{

	// the minimum required value to be entered.

	// in this case PayPal takes $0.35 from a $1

	// donation, hence we ask for at least $1.35

	var minimum_value = 1.35;

	

	// attach this script to the form's submit action

	jQuery('#form_paypal').submit(function()

	{

		// check if there is an amount entered

		if (jQuery('#input_amount').val() > null)

		{

			// is the amount equal to or higher than the minimum_value?

			if (jQuery('#input_amount').val() < minimum_value)

			{

				// need more amount

				// hide messages, show more amount error

				jQuery('#msg_noamount').hide();

				jQuery('#msg_moreamount').fadeIn();

				return false; // prevent the form from submitting

			}

			else

			{

				// amount is more than minimum_value

				// hide messages, show activity

				jQuery('#msg_moreamount').hide();

				jQuery('#msg_noamount').hide();

				jQuery('#msg_activity').fadeIn();

				return true; // submit the form

			}

		}

		else

		{

			// no amount entered at all

			// hide messages, show no amount error

			jQuery('#msg_moreamount').hide();

			jQuery('#msg_noamount').fadeIn();

			return false; // prevent the form from submitting

		}

	});

});