function swap_content( span )
{
    displayType = ( document.getElementById( span ).style.display == 'none' ) ? 'block' : 'none';
    document.getElementById( span ).style.display = displayType;
}
function swap_content_dyn()
{
    for(var i=0; i<swap_content_dyn.arguments.length;i++){
        swap_content( swap_content_dyn.arguments[i] );
    }
}
function swap_id(div, newId)
{
	document.getElementById(div).id = newId;
}
function swap_id_content(div, newId, span)
{
	document.getElementById(div).id = newId;
	swap_content(span);
}