// JavaScript Document
function n_tabs(tab_obj,list_obj,obj){
	var tab_title = tab_obj+"_title";
	var tab_content = tab_obj+"_content";
	
	var tab_list = document.getElementById(tab_obj).getElementsByTagName(list_obj);
	for(i = 0; i < tab_list.length; i++)
	{
		if (tab_list[i].id == obj.id)
		{
			document.getElementById(tab_obj+"_title"+i).className = "active"; 
    		document.getElementById(tab_obj+"_content"+i).style.display = "block";
		}else{
			document.getElementById(tab_obj+"_title"+i).className = "normal"; 
			document.getElementById(tab_obj+"_content"+i).style.display = "none";
		}
	} 
}