function getParameter(parameterName) {
   var queryString = window.top.location.search.substring(1);
   var parameterName = parameterName + "=";
   if ( queryString.length > 0 ) {
      begin = queryString.indexOf ( parameterName );
      if ( begin != -1 ) {
         begin += parameterName.length;
         end = queryString.indexOf ( "&" , begin );
      if ( end == -1 ) {
         end = queryString.length
      }
      return unescape ( queryString.substring ( begin, end ) );
   }
   return "null";
   }
}

var numImg = parseInt(getParameter("numImg"));
var id = getParameter("id");

if (numImg != NaN && numImg > 0 && id != null && id != "") {
	document.write("<img width=\"160\" src=\"/listing/image/"+id+"0.jpg\" />");
}