jQuery(function() {
	jQuery('input[type=submit]').click(function() {
		// disable pushed submit button
		this.disabled = true;
		
		// create hidden field for correct form submit
		var h = document.createElement('input');
		h.type  = 'hidden';
		h.name  = this.name;
		h.value = 1;
		this.form.appendChild(h);
		
		// submit the form
		this.form.submit();
		
		return true;
	});
	
	// hover effect
	jQuery('tbody tr').hover(
		function() {
			jQuery(this).addClass('active');
		},
		function() {
			jQuery(this).removeClass('active');
		}
	);
});