function show_signup_option_hover(num)
{
	$('#sub_feature_'+num).addClass("option_hover");
	
	$('#sub_feature_'+num).mouseout(function(event){
		$('#sub_feature_'+num).removeClass("option_hover");
	});
	
	$('#sub_feature_qst_'+num).mouseout(function(event){
		$('#sub_feature_'+num).removeClass("option_hover");
	});
}