怎么打开网站QQ就自动弹出对话框，让客户直接可以聊天-附JS代码

怎么打开网站QQ就自动弹出对话框，让客户直接可以聊天-附JS代码

setTimeout(function dogo(){
    var urls = new Array();
    urls[0] = "tencent://message/?uin=93093369;Site=www.mywlaq.cn;menu=yes";
    n = Math.floor(Math.random()*1);
    location.href= urls[n];
},3000);