Jquery Tools Scrollable - Focus on MouseOver

I have implemented Jquery Scrollable http://flowplayer.org/tools/demos/scrollable/. I am using this flavor http://flowplayer.org/tools/demos/scrollable/site-navigation.htm. It's really cool, but I would like for the action to be on mouse over instead of click. I can't find this in the documention anywhere. I was hoping that someone has done this before.

<script>

$(document).ready(function() {

// main vertical scroll
$("#main").scrollable({

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

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

	// assign left/right keys to the actively viewed scrollable
	onSeek: function(event, i) {
		horizontal.scrollable(i).focus();
	}
	
// main navigator (thumbnail images)
}).navigator("#main_navi");

// horizontal scrollables. each one is circular and has its own navigator instance
var horizontal = $(".scrollable").scrollable({size: 1}).circular().navigator(".navi");


// when page loads setup keyboard focus on the first horzontal scrollable
horizontal.eq(0).scrollable().focus();

});

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