function client(){    if(window.innerHeight !== undefined){        return {            "width": window.innerWidth,            "height": window.innerHeight        }    }else if(document.compatMode === "CSS1Compat"){        return {            "width": document.documentElement.clientWidth,            "height": document.documentElement.clientHeight        }    }else{        return {            "width": document.body.clientWidth,            "height": document.body.clientHeight        }    }}