var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function nav_open()
{
    nav_canceltimer();
    nav_close();
    ddmenuitem = $(this).find('ul').css('visibility', 'visible');
}

function nav_close()
{
    if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
}

function nav_timer()
{
    closetimer = window.setTimeout(nav_close, timeout);
}

function nav_canceltimer()
{
    if(closetimer) {
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}

function selectPayment(type)
{
    $('#payment_'+type).attr('checked', 'checked');
}

$(document).ready(function()
{
    $('#drug_nav > li').bind('mouseover', nav_open);
    $('#drug_nav > li').bind('mouseout',  nav_timer);

    $('.expandable').expander({
        slicePoint:         500,
        widow:              4,
        expandText:         '[Show More Information]',
        expandPrefix:       '   ',
        collapseTimer:      0,
        expandEffect:       'fadeIn',
        expandSpeed:        '',
        userCollapse:       true,
        userCollapseText:   '[Hide Information]',
        userCollapsePrefix: '   '
    });
});

document.onclick = nav_close;