function initMenu()
{
    $('#menuItems a').mouseenter( function()
    {
        menuID = $(this).parent().attr('id');
        submenuSelectorName = '#si_' + menuID;
        $('.menuSubitems').hide();
        alignSubmenu( menuID );
        $( submenuSelectorName ).fadeIn( 300 );
    });
}

function alignSubmenu( menuID )
{
    var version = $.browser.version;
    var ifIE6 = ( $.browser.msie && ( version == '6.0' ) ) ? true : false;
    
    if( ( menuID != '' ) && !ifIE6 )
    {
        var offsetMainMenu = $( '#menu' ).offset();
        var offsetSelectedMenuItem = $( "#" + menuID ).offset();
        var browserSpecificValue = 10;
        var submenuComputedMargin = offsetSelectedMenuItem.left - offsetMainMenu.left + browserSpecificValue;
        submenuSelectorName = '#si_' + menuID;
        $( submenuSelectorName ).css( { 'margin-left' : submenuComputedMargin + 'px' } );
        return true;
    }
    
    return false;
}