// JavaScript Document
function changeMenu(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.parentNode.getElementsByTagName("LI").length;
	if(id == 0) {
		document.getElementById(tabName+"_btn_0").parentNode.className="menu_title_3";
		document.getElementById(tabName+"_btn_1").parentNode.className="menu_title_2";
		document.getElementById(tabName+"_div_0").style.display="block";
		document.getElementById(tabName+"_div_1").style.display="none";
	} else {
		document.getElementById(tabName+"_btn_0").parentNode.className="menu_title_4";
		document.getElementById(tabName+"_btn_1").parentNode.className="menu_title_5";
		document.getElementById(tabName+"_div_0").style.display="block";
		document.getElementById(tabName+"_div_1").style.display="none";
	}
}
function showNews(btn) {
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.parentNode.getElementsByTagName("LI").length;
	for(i=0;i<tabNumber;i++)
	{
		document.getElementById(tabName+"_btn_"+i).parentNode.className="index_box_a_link";
		document.getElementById(tabName+"_div_"+i).style.display = "none";
	}
	document.getElementById(tabName+"_btn_"+id).parentNode.className="index_box_a_active";
	document.getElementById(tabName+"_div_"+id).style.display = "block";
}
function showText(btn) {
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.parentNode.getElementsByTagName("LI").length;
	for(i=0;i<tabNumber;i++)
	{
		document.getElementById(tabName+"_btn_"+i).parentNode.className="index_box_c_link";
		document.getElementById(tabName+"_div_"+i).style.display = "none";
	}
	document.getElementById(tabName+"_btn_"+id).parentNode.className="index_box_c_active";
	document.getElementById(tabName+"_div_"+id).style.display = "block";
}