function showTab(id, tabsInfo)
{
	var t, it;
	t = document.getElementById(tabsInfo.basename + "_tab_" + id);
	it = document.getElementById(tabsInfo.basename + "_tab_item_" + id);
	
	t.className = "pp_tab pp_tab_selected";
	it.className = "show_tab_item";
}

function hideTab(id, tabsInfo)
{
	var t, it;
	t = document.getElementById(tabsInfo.basename + "_tab_" + id);
	it = document.getElementById(tabsInfo.basename + "_tab_item_" + id);

	t.className = "pp_tab pp_tab_unselected";
	it.className = "hide_tab_item";
}

function setVisibleTab(id, tabsInfo)
{
	hideTab(tabsInfo.selected, tabsInfo);
	showTab(id, tabsInfo);
	tabsInfo.selected = id;
}