function $import(className){
	var i, base, src="jsbase.js", baseScript, scripts = document.getElementsByTagName("script"), path;
	for(i=0; i<scripts.length; i++){
		if(scripts[i].src.match(src)){
			baseScript = scripts[i];
		}
	}
	if(className.indexOf(".")>-1){
		path=replaceAll(className, ".", "/");/* 文件路径 */
		base = baseScript.src.replace(src, "");/* 地址前堆 */
	}
	else{
		base="";
		path=className;
	}
	if(!document.documentElement.innerHTML.match(path+".js")){
		if(document.body){
			var script = document.createElement("script");
			script.src = base+path+".js";
			document.body.insertBefore(script, document.body.firstChild);
		}else
			document.write("\n<"+"script src=\""+base+path+".js\"></"+"script>");
		//alert(baseScript.ownerDocument + ":" + path);
	}
}

function $remove(className){
	var scripts = document.getElementsByTagName("script");
	for(var i = 0; i < scripts.length; i ++){
		if(scripts[i].src.match(className + ".js")){
			document.body.removeChild(scripts[i]);
		}
	}
}

function replaceAll(streng, soeg, erstat){
	var st=streng;
	if(soeg.length==0)return st;
	var idx=st.indexOf(soeg);
	while(idx>=0){
		st=st.substring(0, idx)+erstat+st.substr(idx+soeg.length);
		idx=st.indexOf(soeg);
	}
	return st;
}
document.ns = navigator.appName == "Netscape";
document.ie = navigator.appName.indexOf("Internet Explorer")>-1;
//alert(document.ns);
$import("Js.MM");
$import("Js.mm_menu");
$import("Js.Memus");
$import("Js.Normal");
//$import("Js.Ads");