/* pushes the page to the full capacity of the viewing area */
html {height:100%;}
body {height:100%; margin:0; padding:0;}

/* prepares the background image to full capacity of the viewing area */
#bg {position:fixed; top:0; left:0; width:100%; height:100%;}

/* places the content ontop of the background image */
#content {position:relative; z-index:1;}

<!--[if IE 6]>

/* some css fixes for IE browsers */
html {overflow-y:hidden;}
body {overflow-y:auto;}
#bg {position:absolute; z-index:-1;}
#content {position:static;}

<![endif]-->

* { behavior: url(scripts/iepngfix/iepngfix.htc); }