function displayTab(tab_id, panel_id, init) {
//	top.document.title = tab_id+' '+panel_id;
	if ( typeof(init) == 'undefined' && init != 'init' ) {
		document.body.scrollTop = 999999;
	}
	var panelElm = document.getElementById(panel_id);
	var panelContainerElm = panelElm ? panelElm.parentNode : null;
	var tabElm = document.getElementById(tab_id);
	var tabContainerElm = tabElm ? tabElm.parentNode : null;
//	var selectionClass = this.getParam('selection_class', 'current');
	if (tabElm && tabContainerElm) {
		var nodes = tabContainerElm.childNodes;
		// Hide all other tabs
		for (var i=0; i<nodes.length; i++) {
			if (nodes[i].nodeName == "LI")
				nodes[i].className = '';
		}
		// Show selected tab
		tabElm.className = 'current';
	}
	if (panelElm && panelContainerElm) {
		var nodes = panelContainerElm.childNodes;
		// Hide all other panels
		for (var i=0; i<nodes.length; i++) {
			if (nodes[i].nodeName == "DIV")
				nodes[i].className = 'panel';
		}
		// Show selected panel
		panelElm.className = 'current';
	}
}