function onPageLoad() {
	$('.expandable .marker').click( function (s, e) {
		$this = $(this);
		$this.toggleClass('collapsed-marker');
		if ($this.hasClass('collapsed-marker')) {
			$this.attr('src','images/collapsed.png');
		} else {
			$this.attr('src','images/expanded.png');
		}
		$parent = $this.parents('.expandable:first');
		$parent.children('.expandable-top').children('.expandable-text').toggleClass('collapsed-text');
		$parent.toggleClass('collapsed');
	});
}
$(onPageLoad);