function expand(idMagelo,type,i,j)
{
	if (type == 0)
		id = 'i' + idMagelo + '-' + i + j;
	else
		id = 'b' + idMagelo + '-' + i + j;

	div = document.getElementsByTagName('div');
	obj = div[id];

	if (obj.style.display == 'none')
		obj.style.display = 'block';
	else
		obj.style.display = 'none';
}

function hdr_ref(object)
{
	if (document.getElementById)
	{
		return document.getElementById(object);
	}
	else if (document.all)
	{
		return eval('document.all.' + object);
	}
	else
	{
		return false;
	}
}

function hdr_expand(object)
{
	var object = hdr_ref(object);

	if( !object.style )
	{
		return false;
	}
	else
	{
		object.style.display = '';
	}

	if (window.event)
	{
		window.event.cancelBubble = true;
	}
}

function hdr_contract(object)
{
	var object = hdr_ref(object);

	if( !object.style )
	{
		return false;
	}
	else
	{
		object.style.display = 'none';
	}

	if (window.event)
	{
		window.event.cancelBubble = true;
	}
}

function hdr_toggle(object, open_close, open_icon, close_icon)
{
	var object = hdr_ref(object);
	var icone = hdr_ref(open_close);

	if( !object.style )
	{
		return false;
	}

	if( object.style.display == 'none' )
	{
		object.style.display = '';
		icone.src = close_icon;
	}
	else
	{
		object.style.display = 'none';
		icone.src = open_icon;
	}
}

function toggle_display (id)
{
	var obj = "";

	// Check browser compatibility
	if(document.getElementById)
		obj = document.getElementById(id);
	else if(document.all)
		obj = document.all[id];
	else if(document.layers)
		obj = document.layers[id];
	else
		return 1;

	if (!obj) {
		return 2;
	}
	else if (obj.style)
	{
		obj.style.display = ( obj.style.display != "none" ) ? "none" : "";
	}
	else
	{
		obj.visibility = "show";
	}
}

function toggle_extras (numPost)
{
    id = "sig" + numPost;
    toggle_display(id);
    id = "extras" + numPost;
    toggle_display(id);
}

function toggle_extras_all (numPosts)
{
    for (i = 0; i < numPosts; i++)
	{
        toggle_extras(i);
    }
}