function P7_ExpMenu()
{
    $('.tooltip').each(function(){
        var parent_left = $(this).parent().position().left;
        var parent_width = $(this).parent().width();
        var new_left = parent_left + (parent_width/2) - 171;
        $(this).css({'left':new_left+'px'});
    });


    if ( navigator.appVersion.indexOf("MSIE") == -1 )
        return;

    var i, k, g, lg, r = /\s*p7hvr/, nn='', c, cs='p7hvr', bv='p7menubar';
    for( i=0; i<10; i++ )
    {
        g = document.getElementById(bv+nn);
        if (g)
        {
            lg = g.getElementsByTagName("LI");
            if (lg)
            {
                for ( k=0; k<lg.length; k++ )
                {
                    lg[k].onmouseover = function(){
                        c = this.className;
                        cl = (c) ? c +' '+cs : cs;
                        this.className = cl;
                    };
            
                    lg[k].onmouseout = function(){
                        c = this.className;
                        this.className = (c) ? c.replace(r,'') : '';
                    };
                }
            }
        }
        
        nn = i+1;
    }
}