// 帮助中心
var $=function(tagName){
	return document.getElementById(tagName);
}
function getmenu(code){	
	var xmlhttp;
	try{
		xmlhttp=new XMLHttpRequest();
		}
	catch(e){
		xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	xmlhttp.onreadystatechange=function(){
	if (xmlhttp.readyState==4){
		if (xmlhttp.status==200){
			var data=xmlhttp.responseText;
			
			if ($("cate"+code).style.display=="none"){
					$("cate"+code).style.display="block";
					$("img"+code).src = "/images/part/dot_outspread.gif"
					$("cate"+code).innerHTML = data;
				}else{
					$("cate"+code).style.display="none";
					$("img"+code).src = "/images/part/dot_shrink.gif"
					$("cate"+code).innerHTML = "";
				}
				
			}
		else{
			$("cate"+code).innerHTML="通讯错误,请与管理员联系.";
			}
		}
	else{
		$("cate"+code).innerHTML="<div style='text-align:center;padding:10px 0;'><img src='/images/loading.gif'></div>";
		}
	}
	xmlhttp.open("post", "ajax_menu.asp", true);
	xmlhttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	xmlhttp.send("sendcode="+escape(code));
}