// JavaScript Document
function ShowHide(div, stijl, mode)
{
        var thisLevel = document.getElementById(div);
	
	if(mode == 'showonly')
	{
        if (thisLevel.style.display == "none")
        {
                thisLevel.style.display = stijl;
        }
	}
	else
	{
        if (thisLevel.style.display == "none")
        {
                thisLevel.style.display = stijl;
        }
        else
        {
                var thisLevel = document.getElementById(div);
                thisLevel.style.display = "none";
        }
	}
}