div 회전
<html>
<head>
</head>
<script language="javascript" >
/*
rotate the div(a1)
*/
var div_a1;
function init(){
div_a1 = document.getElementById('a1');
aa = setInterval("rotate_div()", 50); // 1000 = 1초 1초마다 roofing_func 를 실행하라.~
}
var aa = 0;
function rotate_div(){
//div_a1.style.left = e.offsetX - 20 + 'px';
//div_a1.style.top = e.offsetY - 20 + 'px';
aa += 1;
if( aa > 360 )
aa = 0;
div_a1.style.webkitTransform = 'rotate(' + aa + 'deg)';
}
</script>
<body onload="init();" >
<div id="groundDiv" style="position:relative; width:99%; height:99%; border:0x solid black;"></div>
<div id='a1' style="position:absolute; width:3px; height:50px; border:2px solid black;top:100px;left:100px " ></div>
</body>
</html>