function deselect_tabs(targetobj, new_sel, tab_element_tag){

	var tablist = getObj(targetobj).getElementsByTagName(tab_element_tag);

	for (var i=0; i<tablist.length; i++){
		tablist[i].className = "tabs_inactive"; 
	}
		
	getObj(new_sel).className = "tabs_active"; 
}