// first include js-dom.js
function foda(obj)
{
	var div_navs = obj.parentNode.getElementsByTagName("div");
	var table_fods = obj.parentNode.parentNode.parentNode.parentNode;
	var ul_list = extractNodes(table_fods.getElementsByTagName("tr")[1].getElementsByTagName("td")[0]);
	for(i=0; i<div_navs.length; i++)
	{
		if(div_navs[i] == obj)
		{
			div_navs[i].className = "ausa";
			ul_list[i].className = "display";
		}
		else
		{
			div_navs[i].className = "aucarda";
			ul_list[i].className = "undisplay";				
		}
	}
}