<script type="text/javascript">
// Super, check if the visitor is using MSIE < 7
var isExp = (navigator.userAgent.indexOf("MSIE") != -1 &&
navigator.userAgent.indexOf("Opera") == -1);
var isnotIE7 = false;
// if so, let's check if he's not using 7, 'cause 7 has png support (it's about time)
if(isExp)
{
var version = navigator.userAgent.split("MSIE ")[1];
version = version.split(";")[0];
version = parseInt(version);
isnotIE7 = (version < 7);
}
// the magic function that makes png's transparent in MSIE
function png_transparent(id, pic){
// so, if he's using MSIE < version 7 then...
if (isExp && isnotIE7){
// apply some ugly microsoft filters, brrrr
document.getElementById(id).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src = 'images/" + pic + "', sizingMethod = 'scale')";
document.getElementById(id).style.backgroundImage = "url('images/transparent.gif')";
}
}
window.onload = init;
function init(){
png_transparent('logo', 'logo.png');
}
</script>