$(document).ready(function () {
    $('#vista_trench').mouseenter(function () {
	$('#button1_menu').slideDown('fast');
    });
    $('#vista_dropper').mouseleave(function() {
        $('#button1_menu').slideUp('fast');
    });
    
    $('.popout_menu').mouseenter(function () {
       $('#' + this.id + '_menu').show(); 
    });
    $('.popout_menu').mouseleave(function () {
       $('#' + this.id + '_menu').hide(); 
    });
});