<input name="validate" type="text" id="vdcode" style="text-transform:uppercase;" size="8"/>
<img id="vdimgck" class="yzmimg" align="absmiddle" onClick="this.src=this.src+'?'" style="cursor: pointer;" alt="看不清？点击更换" src="../include/vdimgck.php"/>
<span onClick="changeAuthCode();">看不清？</span>
    

<script type="text/javascript"> 
function changeAuthCode() { 
var num = new Date().getTime(); 
var rand = Math.round(Math.random() * 10000); 
num = num + rand; 
$('#ver_code').css('visibility','visible'); 
if ($("#vdimgck")[0]) { 
$("#vdimgck")[0].src = "../include/vdimgck.php?tag=" + num; 
} 
return false; 
} 
</script>
    

$fieldarr = explode(';', $dede_fields);
    

//新增验证码
$validate = empty($validate) ? '' : strtolower(trim($validate));           
$svali = strtolower(GetCkVdValue());
if(($validate=='' || $validate != $svali) && preg_match("/6/",$safe_gdopen)){
ResetVdValue();
ShowMsg('验证码不正确!',$dede_add,0,1000);
echo '<script language="javascript">history.go(-1);</script>';
exit();//结束不提交
}