$(document).ready(function () {
	var tx_yachting_form_submitted = false;

	$('form').each(function () {
			// store old submit function
		this._oldSubmit = this.submit;
		this.submit = function () {
			if (!tx_yachting_form_submitted) {
				tx_yachting_form_submitted = true;
					//submit form
				this._oldSubmit();
			}
		}
	});
});