function fade(nav_id)
{
	var id=$(nav_id).attr('id');
	var i=1;
	for (i=1;i<=4;i++){
		if(i != id){
			$("#fadecontent" + i).fadeOut(400);
		}
	}
	$("#fadecontent" + id).fadeIn(500);
}

$(document).ready(function() {
	$(".mainlinks li").hover(
		function(){fade(this);}
		);
	$(".copyright").append('<br />Market information display provided by and &copy; <a href="http://sharefilter.com">sharefilter.com</a>');
});