$(function() {
	// main vertical scroll
	$("#wc_content").css('overflow', 'hidden').scrollable({

		// basic settings
		vertical: true,
		size: 1,
		clickable: false,

		// up/down keys will always control this scrollable
		keyboard: 'static',

	    onSeek: __hide_disabled_buttons

	// main navigator (thumbnail images)
	}).navigator("#wc_nav").mousewheel();

	__hide_disabled_buttons();

});

function __hide_disabled_buttons() {
	$('#wc_actions a').css('opacity', 1);
	$('#wc_actions a.disabled').css('opacity', .3);
}