$(document).ready(function(){


$(".nav_buying_button").addClass("nav_buying_button_js");
$(".nav_buying_button").removeClass("nav_buying_button");


$(".nav_chartering_button").addClass("nav_chartering_button_js");
$(".nav_chartering_button").removeClass("nav_chartering_button");


$(".nav_building_button").addClass("nav_building_button_js");
$(".nav_building_button").removeClass("nav_building_button");


$(".nav_news_button").addClass("nav_news_button_js");
$(".nav_news_button").removeClass("nav_news_button");


$(".nav_owning_button").addClass("nav_owning_button_js");
$(".nav_owning_button").removeClass("nav_owning_button");


$(".nav_finding_button").addClass("nav_finding_button_js");
$(".nav_finding_button").removeClass("nav_finding_button");



$('.nav_buying_button_js').hover(function() {
$('.nav_buying_rollover').show("slide", { direction: "down" });
$('.nav_buying_dd').show("slide", { direction: "up" });
}, function() {
$('.nav_buying_rollover').hide("slide", { direction: "down" });
$('.nav_buying_dd').hide("slide", { direction: "up" });
});


$('.nav_chartering_button_js').hover(function() {
$('.nav_chartering_rollover').show("slide", { direction: "down" });
$('.nav_chartering_dd').show("slide", { direction: "up" });
}, function() {
$('.nav_chartering_rollover').hide("slide", { direction: "down" });
$('.nav_chartering_dd').hide("slide", { direction: "up" });
});


$('.nav_building_button_js').hover(function() {
$('.nav_building_rollover').show("slide", { direction: "down" });
$('.nav_building_dd').show("slide", { direction: "up" });
}, function() {
$('.nav_building_rollover').hide("slide", { direction: "down" });
$('.nav_building_dd').hide("slide", { direction: "up" });
});


$('.nav_owning_button_js').hover(function() {
$('.nav_owning_rollover').show("slide", { direction: "down" });
$('.nav_owning_dd').show("slide", { direction: "up" });
}, function() {
$('.nav_owning_rollover').hide("slide", { direction: "down" });
$('.nav_owning_dd').hide("slide", { direction: "up" });
});


$('.nav_news_button_js').hover(function() {
$('.nav_news_rollover').show("slide", { direction: "down" });
}, function() {
$('.nav_news_rollover').hide("slide", { direction: "down" });
});





$('.nav_finding_button_js').hover(function() {
$('.nav_finding_rollover').show("slide", { direction: "down" });
$('.nav_finding_dd').show("slide", { direction: "up" });
}, function() {
$('.nav_finding_rollover').hide("slide", { direction: "down" });
$('.nav_finding_dd').hide("slide", { direction: "up" });
});

});