IE6 Fixed Position Fix

让ie6模拟fixed
http://snipplr.com/view/2952/ie6-fixed-position-fix/

* { margin:0; padding:0; }
html, body {
    height: 100%;
    overflow:auto;
}
body #fixedElement {
    position:fixed !important;
    position: absolute; /*ie6 and above*/
    bottom: 0;
}