// JavaScript Document
function doA(aim,level,param){
   	var paramS = aim.href.split('?');
	var param1 = "";
	if(paramS[1])
	{
		param1 = paramS[1];  
	}
	var aimEncode=encodeURIComponent(param);
	aim.href = paramS[0] + "?aim=" + aimEncode + "&" + "level=" + level+"&"+param1;
}