iScrollBy = 0;
	scrollTimeout = 0;
	ppTimeout = 0;
	interestsBox = null;
	keepScrolling = false;

	function start_scroll(dir, one_time) {
		keepScrolling = true;
		iScrollBy = dir;
		scrollSpeed = 1;
		outerWid = Math.max(0, $('#tScroller').width() - 500);
		scroll_interests();
	}

	function stop_scroll() {
		keepScrolling = false;
		clearTimeout(scrollTimeout);
	}

	function scroll_interests() {		
		if ( keepScrolling ) {
			interestsBox.css('margin-left', Math.max(Math.min(0, parseInt(interestsBox.css('margin-left'))+(iScrollBy*scrollSpeed)), -outerWid));
			scrollTimeout = setTimeout('scroll_interests()', 15);
			scrollSpeed = Math.min(scrollSpeed+0.1, 20);
		}
	}

	function init_scroller() {
		interestsBox = $('#scrollBox');
		interestsBox.css('margin-left', '0px');
	}

	$(document).ready(init_scroller);