function showMail(arg1, arg2, arg3, arg4) {
		
		var str_out  = (arg4 == 'true') ? "mailto:" : "";
		str_out 		+= arg3 + "@" + arg2 + "." + arg1;
		
		if (arg4 == 'true')
			document.location = str_out;
		else
			document.write(str_out);
	}