Mouse hover blur

<img alt="" class="aligncenter size-full wp-image-1110" src="http://www.tipsiam.com/wp-content/uploads/2011/05/lotus.jpg" height="118" onmouseout="this.style.opacity=0.5;this.filters.alpha.opacity=50" onmouseover="this.style.opacity=1;this.filters.alpha.opacity=100" style="opacity: 1;" width="150" />