if ((navigator.appName.indexOf('Microsoft')+1)) {

document.write('<style type="text/css"> .opacity1 {filter:alpha(opacity=100)} .opacity2 {filter:alpha(opacity=0)} </style>'); }

if ((navigator.appName.indexOf('Netscape')+1)) {

document.write('<style type="text/css"> .opacity1 {-moz-opacity:0} .opacity2 {-moz-opacity:1} </style>'); }

else {

document.write(''); }