var elements = new Array();
elements[0] = new Array(1,3,4,5,6,7,12,14,15,19,21,25);
elements[1] = new Array(2,4,7,13,14,15,19,21,24);
elements[2] = new Array(3,4,7,16,17,18,19,21,22,23);

$(document).ready(function(){
	$('.attract').click(function(){
		$('#lor .active').removeClass('active');		
		$('.attract').highlight(0).addClass('active');
		return false;		
	});
	$('.interact').click(function(){
		$('#lor .active').removeClass('active');		
		$('.interact').highlight(1).addClass('active');
		return false;
	});
	$('.act').click(function(){
		$('#lor .active').removeClass('active');
		$('.act').highlight(2).addClass('active');
		return false;		
	});	
});

$.fn.highlight = function(index){
	return this.each(function(){
		$('.activeItem').css({backgroundColor:'transparent'}, 500);
		for(var el in elements[index]){
			$('#item-'+elements[index][el]+' a').css({backgroundColor:'#9493A1'}, 500).addClass('activeItem');
		}		
	});
};