function autoUrl(name, dest)
{
	var loc;
	var id_list;

	id_list = document.getElementById(name);
	loc = id_list.options[id_list.selectedIndex].value;
	if (loc != 0) location.href = dest+loc;
	return ;
}

function autoUrlNoList(name, dest)
{
	var loc;

	loc = document.getElementById(name).checked;
	location.href = dest + (loc == true ? 1 : 0);
	return ;
}

/*
** show or hide element e depending on condition show
*/
function toggle(e, show)
{
	e.style.display = show ? '' : 'none';
}

function toggleMultiple(tab)
{
    var len = tab.length;

    for (var i = 0; i < len; i++) if (tab[i].style) toggle(tab[i], tab[i].style.display == 'none');
}



function showElemFromSelect(select_id, elem_id)
{
	var select = document.getElementById(select_id);
	for (var i = 0; i < select.length; ++i)
	{
	    var elem = document.getElementById(elem_id + select.options[i].value);
		if (elem != null) toggle(elem, i == select.selectedIndex);
	}
}