$(function() {
	var color; 
	color="";
	$(".column").bind("mouseenter mouseleave", function(e) {
		var columnid = $(this).attr("id");
		
		var tagid = "#"+columnid+"tag";
		$(tagid).toggleClass("on");
		
		if (columnid == 'newideas') color = 'blue';
		if (columnid == 'research') color= 'orange';
		if (columnid == 'events') color = 'green';
		if (columnid == 'digitalnews') color= 'purple';
		
	});
	
	
	$(".feed a[rel]").tooltip({
		track: true,
		fixPNG: true,
		bodyHandler: function() {
			return $($(this).attr("rel")).html();
		},
		showURL: false
	});
	
	
	
	
});