$(document).ready( function(){
$('div#menu ul li.level1').hover( function(){
if($(this).children('div.holder').html() != null){
$(this).children('div.holder').css('left','0');
}
}, function(){
$(this).children('div.holder').css('left','-9999em');
});
});

function ToggleSizeConversions()
{
    var tblSizeConversion = document.getElementById('tblSizeConversions');
    var lnkSizeConversion = document.getElementById('lnkSizeConversion');
    
    if(tblSizeConversion.style.display == 'block')
    {
        tblSizeConversion.style.display = 'none';
        lnkSizeConversion.innerHTML = 'Show size conversions';
    }
    else
    {
        tblSizeConversion.style.display = 'block';
        lnkSizeConversion.innerHTML = 'Hide size conversions';
    }
    
    return true;
}