function toggleMenuDiv(id, id_parent)
{
	target_id = 'div_child_'+id_parent+'_'+id;

	var divs = document.getElementsByTagName('div');
	var _l = divs.length;
	for (var i = 0; i < _l; i++)
	{
		var div = divs[i];

		if(div.id.indexOf('div_child_'+id_parent+'_') == 0)
		{
			hideMenuDiv(div);
		}

		if(div.id.indexOf('div_meniu_'+id+'_') == 0)
		{
			hideMenuDiv(div);
		}
	}

	showMenuDiv(target_id);

};

function hideMenuDiv(elem)
{
	var children = elem.childNodes;
	for( var i = 0; i<children.length; i++ )
	{
		hideMenuDiv(children[i]);
	}

	if(elem.id)
	{
		if(elem.id.indexOf('div_child_') == 0)
		{
			hideElem(elem.id);
		}

		if(elem.id.indexOf('div_meniu_') == 0)
		{
			hideElem(elem.id);
		}
	}
}

function showMenuDiv(id)
{
	var elem = document.getElementById(id);
	var children = elem.childNodes;
	for( var i = 0; i<children.length; i++ )
	{
		var child = children[i];
		if(child.id)
		{
			if(child.id.indexOf('div_child_') == 0)
			{
				showElem(child.id);
			}

			if(child.id.indexOf('div_meniu_') == 0)
			{
				showElem(child.id);
			}
		}
	}
	showElem(id);
}