[JavaScript] 브라우저별 해상도 구하기

<script type="text/javascript">

<!--

//alert(window.innerWidth);

//alert(document.documentElement.clientWidth);

var w = 0, h = 0;

if (typeof (window.innerWidth) == 'number') { //Chrome

     w = window.innerWidth / 2;

     //h = window.innerHeight / 2;

} else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {

     w = document.documentElement.clientWidth / 2;

     //h = document.documentElement.clientHeight / 2;

} else if (document.body && (document.body.clientWidth || document.body.clientHeight)) { //IE

     w = document.body.clientWidth / 2;

     //h = document.body.clientHeight / 2;

}

//alert("w=" + w + ", h=" + h);

//alert(document.getElementById('floater').style.left);

document.getElementById('floater').style.left = w + 480 +"px";

//-->

</script>