function my_getbyid(id)
{
        itm = null;

        if (document.getElementById)
        {
                itm = document.getElementById(id);
        }
        else if (document.all)
        {
                itm = document.all[id];

        }
        else if (document.layers)
        {
                itm = document.layers[id];
        }
        else itm = document.getElementById(id);

        //alert(id+'='+itm);
        return itm;
}

function toggleview(id)
{
	if ( ! id ) return;

	if ( itm = my_getbyid(id) )
	{
		if (itm.style.display == 'none')
		{
		        my_show_div(itm);
		        my_hide_div(my_getbyid('lv'+id));
		        my_show_div(my_getbyid('lc'+id));
		}
		else
		{
		        my_hide_div(itm);
		        my_hide_div(my_getbyid('lc'+id));
		        my_show_div(my_getbyid('lv'+id));
		}
	}
}

function my_hide_div(itm)
{
	if ( ! itm ) return;

	itm.style.display = 'none';
}

function my_show_div(itm)
{
	if ( ! itm ) return;

	itm.style.display = '';
}
function my_show_hide(id1,id2)
{
    my_show_div(my_getbyid(id1));
    my_hide_div(my_getbyid(id2));
}
function my_hide(id1)
{
    var e=my_getbyid(id1);
    if(e) my_hide_div(e);
}
function my_show(id1)
{
    var e=my_getbyid(id1);
    if(e) my_show_div(e);
}