<%@ page contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<%!
	public String r_call(String flag) 
	{ 
		String pl1 =  flag;
		if (pl1 == null) {
			pl1 = "";
		}
		String str = pl1.replaceAll("<","&lt");
		str = str.replaceAll("script","");
		str = str.replaceAll(">","&gt");
		str = str.replaceAll("'","''");
		return str; 
	} 
%>