Make divs equal height - Highest div wins

HTML

<div id="lol"></div>
<div id="rofl"></div>

CSS

#lol, #rofl { float: left; width: 200px; }

#lol { background: papayawhip; height: 100%; }

#rofl { background: green; height: 200px; }

JavaScript

var jQuerylol = jQuery('#lol'),
    jQueryrofl = jQuery('#rofl');

if ( jQuerylol.height() > jQueryrofl.height() ) {
    jQueryrofl.height( jQuerylol.height() );
} else {
    jQuerylol.height( jQueryrofl.height() );
}