function togglesub (x) {
    myPos = new Array(0,252,322,392,462,532,602,672);
    for ( var y = 1; y <= 6; y++ )
    {
        document.getElementById('menu-'+y).style.top = myPos[y]+'px';
        try {
            $('menu-'+y+'-midden').hide();
        } catch (err) {}
    }
    document.getElementById('menu-7').style.top = myPos[7]+'px';

    var e = document.getElementById('menu-'+x+'-voet');
    var oudpos = e.offsetTop;
    try {
        $('menu-'+x+'-midden').show();
    } catch (err) {}
    var e = document.getElementById('menu-'+x+'-voet');
    var nieuwpos = e.offsetTop;
    var diff = nieuwpos - oudpos;

    try {
        $('menu-'+x+'-midden').show();
    } catch (err) {}

    for ( y = x+1; y <= 7; y++ )
    {
        nieuwpos = myPos[y] + diff;
        document.getElementById('menu-'+y).style.top = nieuwpos+'px';
    }    
}
function togglefixedsub (x) {
    if ( x != 0 )
    {
        togglesub (x);
    }
}
function detogglesub () {
    myPos = new Array(0,252,322,392,462,532,602,672);
    for ( var y = 1; y <= 6; y++ )
    {
        document.getElementById('menu-'+y).style.top = myPos[y]+'px';
        try {
            $('menu-'+y+'-midden').hide();
        } catch (err) {}
    }
    document.getElementById('menu-7').style.top = myPos[7]+'px';
}
// Extensie : doel

function toggledoel (x) {
    var e = document.getElementById(x);
    var curleft = curtop = 0;
    if ( e.offsetParent ) {
      do {
        curleft += e.offsetLeft;
        curtop += e.offsetTop;
      } while ( e = e.offsetParent );
    }    
    var xpos = curtop - 19;
    var ypos = curleft - 215;
    $(x+'-over').style.top = xpos+'px';
    $(x+'-over').style.left = ypos+'px';
    $(x+'-over').style.zIndex = 30;
    $(x+'-over').show();
}
function detoggledoel (x) {
    $(x+'-over').hide();
}