function show(div_id)
    {
        for(i=1;i<5;i++)
        {
            if(i==div_id)
            {
                document.getElementById("barshow"+i).className="show";
                document.getElementById("bgbar").className="showshow";
            }
            else
            {
                document.getElementById("barshow"+i).className="hiddened";
            }
        }
    }
    function hidden(div_id)
    {
        document.getElementById(div_id).className="hiddened";
        document.getElementById("bgbar").className="hiddened";
    }
    function onover(div_id)
    {
        for(i=0;i<6;i++)
        {
            if(i==div_id)
            {
                if(document.getElementById("a"+i).className!="focus")
                document.getElementById("a"+i).className="barz";
            }
            else
            {
                if(document.getElementById("a"+i).className!="focus")
                document.getElementById("a"+i).className="general";
            }
        }
    }
    function onout(div_id)
    {
        if(document.getElementById("a"+div_id).className=="focus")
        return;
        document.getElementById("a"+div_id).className="general";
    }
	function showlink(div_id)
    {
        document.getElementById(div_id).className="showlink";
    }
	function hiddenlink(div_id)
	{
		document.getElementById(div_id).className="boot";
	}
	function showfriend(div_id)
    {
        document.getElementById(div_id).className="friend";
    }