filter: alpha(opacity=0);
opacity: 0;_ http://css-tricks.com/64-css-transparency-settings-for-all-broswers/
jQ Viewport dim
// var h = window.innerHeight
var h = $(window).height()Conditional Comments
<!--[if IE]>
<![endif]-->
<!--[if !IE]> -->
<!-- <![endif]-->_ http://www.quirksmode.org/css/condcom.html
_ http://www.satzansatz.de/cssd/onhavinglayout.html#wherefrom
_ http://www.positioniseverything.net/articles/ie7-dehacker.html
To stage multiple versions of IE use virtualization clones.
Undoubtedly old stuff for the times.