$("#codeinfo").html("<img src='/createimage?Rgb=255|0|0' title='验证码看不清楚？&#13;请点击更新为新的验证码！' style='cursor : pointer;' align='absmiddle' id='codeImg'/>");$("#codeImg").click(function(){$(this).attr("src","/createimage?Rgb=255|0|0&r="+randomNumber(10000));});