function expandMenu(elem,parent) {
    if(elem.style.display == "block") {
        elem.style.display='none';
        parent.className="parentMenu";
    }
    else {
        if(menuBuffer != null) 
            menuBuffer.style.display = "none";
        if(menuParent != null)
            menuParent.className="parentMenu";
        elem.style.display='block';
        parent.className="parentMenuOn";
        menuParent = parent;
        menuBuffer = elem;
        
    }
    
}
/*function scrollDragFix(action) {
    if(action == "down") {
        if (!IE) document.captureEvents(Event.MOUSEMOVE)
            document.onselectstart=new Function ("return false");
            document.ondragstart = new Function("return false");
    }
    else {
        if (!IE) document.captureEvents(Event.MOUSEMOVE)
            document.onselectstart=new Function ("return true");
            document.ondragstart = new Function("return true");
    }
}*/