点击验证码重新加载验证码图片JavaScript代码详解编程语言

<script language="JavaScript"> 
function refreshcapture(){ 
var imgid=document.getElementById('captchaImg'); 
imgid.setAttribute('src','stickyCaptcha.png?'+Math.random()); 
//加入随机数不然地址相同 
} 
</script> 
  
  
  
<img src="stickyCaptcha.png"    id="captchaImg" border="0" onclick="refreshcapture()"  style="cursor:hand;"  />