'filter' Example
<html> <head> <script language="JavaScript"> function function1(elem) { elem.style.filter="blendTrans(duration=1)"; elem.filters.blendTrans.Apply(); elem.style.visibility="hidden"; elem.filters.blendTrans.Play(); elem.filters.percent=20; } function function2(elem) { elem.style.filter="blendTrans(duration=1)"; elem.filters.blendTrans.Apply(); elem.style.visibility="visible"; elem.filters.blendTrans.Play(); elem.filters.percent=80; } </script> </head> <body> <img id="myImg" src="http://www.java2s.com/style/logo.png"> <button onclick="function1(myImg)">Cause the image to fade out</button> <button onclick="function2(myImg)">Cause the image to fade in</button> </body> </html>