Dedecms实现15秒后再下载的功能修改方法

<script type="text/javascript">
var lang = new Array();
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8,3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5,3);

function $(id) {
return document.getElementById(id);
}

Array.prototype.push = function(value) {
this[this.length] = value;
return this.length;
}
</script>

<?php echo $downlinks; ?>

<script type="text/javascript">
var secs = 15;
var wait = secs * 1000;
$('rulebutton').innerHTML = "请您耐心的等待15秒钟 剩余时间：" + secs + "秒";
for(i = 1; i <= secs; i++) {
window.setTimeout("update(" + i + ")",i * 1000);
}
window.setTimeout("timer()",wait);
function update(num,value) {
if(num == (wait/1000)) {
$('rulebutton').innerHTML = "请您耐心的等待15秒钟";
} else {
printnr = (wait / 1000) - num;
$('rulebutton').innerHTML = "请您耐心的等待15秒钟 剩余时间 ：" + printnr + "秒";
}
}
function timer() {
$('rulebutton').innerHTML = '让您久等了，请<?php echo $downlinks; ?>';
}
</script>

<button type="button" onclick="location.href='~link~'">立即下载</button>