<script>
function opacity(obj){
var isNav = navigator.appName == "Netscape";
if(isNav){
obj.style.opacity = 1;
}else{
obj.filters.alpha.opacity=100
}
}
</script>
<div style="width: 200px; border: 1px solid #ccc;opacity:0.4;filter:alpha(opacity=40)" onmouseover="opacity(this);">
<p>This is some text that is placed in the transparent box.
This is some text that is placed in the transparent box.
This is some text that is placed in the transparent box.
This is some text that is placed in the transparent box.
This is some text that is placed in the transparent box.
</p>
</div>