Alpha.Style 1 is linear gradient and 2 is and 3 is rectangular gradient all using startX, startY, finishX, finishY property auto is 50% <!-- <style> input.aFilter { filter:Alpha(Opacity=50, Style=2); } </style> <script language="JScript"> var theState=0; var theOpacity = 0; var theIncrement = 1; function pulsateButton() { var theFilter=document.all.item("MYBUTTON").filters[0]; theOpacity += theIncrement; theFilter.opacity = theOpacity; if((theOpacity % 100) ==0) { theIncrement *=-1; } setTimeout("pulsateButton()", 50); } </script> -->