$('nav_home').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_home.gif)');
        },

        'click': function()
        {
            window.location = '/';
        }
    });

$('nav_about').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_about.gif)');
        },

        'click': function()
        {
            window.location = '/about';
        }
    });

$('nav_services').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_services.gif)');
        },

        'click': function()
        {
            window.location = '/services';
        }
    });

$('nav_portfolio').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_portfolio.gif)');
        },

        'click': function()
        {
            window.location = '/portfolio';
        }
    });

$('nav_projects').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_projects.gif)');
        },

        'click': function()
        {
            window.location = '/projects/';
        }
    });

$('nav_careers').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_careers.gif)');
        },

        'click': function()
        {
            window.location = '/careers.php';
        }
    });

$('nav_contact').addEvents(
    {
        'mouseover': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_over.gif)');
        },

        'mouseout': function()
        {
            this.setStyle('background-image','url(/themes/powersys/images/nav_contact-Us.gif)');
        },

        'click': function()
        {
            window.location = '/contact_us';
        }
    });