$(function() {
		$('.expand-trigger').toggle(
			function() {
				$('div#imm-collapse').slideDown(500);
				$('div#expander-img').css({"background":"url(/wp-content/themes/wlnfp/collapse.gif)"});
			},
			function() {
				$('div#imm-collapse').slideUp(500);
				$('div#expander-img').css({"background":"url(/wp-content/themes/wlnfp/expand.gif)"});
			}
		);	

	});