/*

本脚本运行于浏览器conlose中，自动点击“继续学习”按钮，以实现阻止视频的暂停

*/

(function(){

    var getStyle=function(obj,styleName){

        if(obj.style){

            return obj.style[styleName];

        }else if(obj.currentStyle){

            return obj.currentStyle[styleName];

        }else if(window.getComputedStyle(obj)){

            return window.getComputedStyle(obj)[styleName];

        }else{

            return null;

        }

    };

    var mask=document.getElementById('courseframe').contentWindow.document.getElementsByClassName('mask')[0];

    var th = document.getElementById('courseframe').contentWindow.document.getElementsByClassName('th')[1].children[0];

    var timer,i=1;

    timer = setInterval(function(){

        if(mask && getStyle(mask,'display') === 'block'){

            mask.lastElementChild.lastElementChild.click();

            if(th){th.innerText = i++;}

        }

    },500);

})();