이미지 위에 마우스가 올라가면 색상 변화하기

<table width="160" height="142" bgcolor="#ffffff" cellpadding="0" cellspacing="0" border="0"><tr> <td width="160" height="142" bgcolor="#ffffff"> <img id="Alpha" width="160" height="142" border="0" style="cursor:hand" src="https://mysesang.com//pic/ballet.jpg" onmouseover="this.style.filter='Alpha(Opacity=50)';" onmouseout="this.style.filter='';"> </td> <td width="160" height="142" bgcolor="#00ffff"> <img id="Alpha" width="160" height="142" border="0" style="cursor:hand" src="https://mysesang.com//pic/ballet.jpg" onmouseover="this.style.filter='Alpha(Opacity=50)';" onmouseout="this.style.filter='';"> </td> <td width="160" height="142" bgcolor="#ff00ff"> <img id="Alpha" width="160" height="142" border="0" style="cursor:hand" src="https://mysesang.com//pic/ballet.jpg" onmouseover="this.style.filter='Alpha(Opacity=50)';" onmouseout="this.style.filter='';"> </td></tr></table> .