<!--
function showhide(layer_id)
{
    if(document.getElementById)
    {
        // this is the way the standards work
        //close all layers
        var divs = document.getElementsByTagName("DIV");
        for (x=1; x<divs.length; x++)
        {
            if(divs[x].className)
            {
                var strname = divs[x].className;
                if(strname=="probox" || strname=="probox2")
                {
                    divs[x].style.display = "none";
                }
            }
        }

        var style2 = document.getElementById(layer_id).style;
        style2.display = "block";

    }else if (document.all)
    {
        // this is the way old msie versions work
        //close all layers
        for(var i=0; i<document.all.length;i++)
        {
            currObj =  document.all[i];
            if(currObj.id)
            {
                var strname = currObj.id;
                if(strname.substr(0,3)=="bb_")
                {
                    document.all[currObj.id].style.display = "none";
                }
            }
        }
        var style2 = document.all[layer_id].style;
        style2.display = "block";
    }else if (document.layers)
    {
        // this is the way nn4 works
        var style2 = document.layers[layer_id].style;
        style2.display = style2.display? "":"block";
    }
}

function hide(layer_id)
{
    if(document.getElementById)
    {
        // this is the way the standards work
        //close all layers
        var divs = document.getElementsByTagName("DIV");
        for (x=1; x<divs.length; x++)
        {
            if(divs[x].className)
            {
                var strname = divs[x].className;
                if(strname=="probox" || strname=="probox2")
                {
                    divs[x].style.display = "none";
                }
            }
        }

        // var style2 = document.getElementById(layer_id).style;
        // style2.display = "block";

    }else if (document.all)
    {
        // this is the way old msie versions work
        //close all layers
        for(var i=0; i<document.all.length;i++)
        {
            currObj =  document.all[i];
            if(currObj.id)
            {
                var strname = currObj.id;
                if(strname.substr(0,3)=="bb_")
                {
                    document.all[currObj.id].style.display = "none";
                }
            }
        }
        // var style2 = document.all[layer_id].style;
        // style2.display = "block";
    }else if (document.layers)
    {
        // this is the way nn4 works
        // var style2 = document.layers[layer_id].style;
        // style2.display = style2.display? "":"block";
    }
}


//-->