//Ê×Ò³»¬¶¯ÃÅ

function menuSwitch1(itemId){
	for(i = 1;i<5;i++){
		document.getElementById("indextj_"+i).style.display = "none";
		document.getElementById("indexbut_"+i).className="/";
	}
	document.getElementById("indextj_"+itemId).style.display = "block";
	document.getElementById("indexbut_"+itemId).className="nonce";
}

function menuSwitch2(itemId){
	for(i = 1;i<4;i++){
		document.getElementById("indextj_"+i).style.display = "none";
		document.getElementById("indexbut_"+i).className="/";
	}
	document.getElementById("indextj_"+itemId).style.display = "block";
	document.getElementById("indexbut_"+itemId).className="nonce";
}