function AjaxAction(action, params){
	var ___Ajax = new Ajax();
	if(action == "memberaccount")___Ajax.XmlMethod = "POST";
	___Ajax.CallBackFunc = AjaxActionCallBack;
	if(___Ajax.Create()){
		var ___AjaxUrl = "ajax.php?" + action;
		var ___AjaxRequest = null;
		if(action == "memberaccount"){
			if(params)___AjaxRequest = "account=" + params;
		}else{
			if(params)___AjaxUrl += "," + params;
		}
		___Ajax.Send(___AjaxUrl, ___AjaxRequest, action);
	}
}

function AjaxActionCallBack(html, success){
	switch(arguments[2][0]){
		case "changebuy":
			location.href = "buy.php";
			break;
		case "memberaccount":
			if(html == "0"){
				alert("恭喜你，该账号未被注册！");
			}else{
				alert("账号已存在，请重新选择！");
			}
			break;
		default:
			break;
	}
}
function ValidateCode(obj){
	obj.src = "includes/validatecode.inc.php?r=" + Math.random();
}