<html>
<script>
window.onload=function(){
alert("screen height:" + screen.height);
}
</script>
<style>
.abc{height:expression(screen.height); background-color:red;}
</style>
<body>
<div class="abc">xxx</div>
</body>
</html>
<script>
window.onload=function(){
alert("screen height:" + screen.height);
}
</script>
<style>
.abc{height:expression(screen.height); background-color:red;}
</style>
<body>
<div class="abc">xxx</div>
</body>
</html>