sfHover = function() {
	var sfEls = document.getElementById("artworkhome");
	sfEls.onmouseover=function() {
		this.className+=" sfhover";
	}
	sfEls.onmouseout=function() {
		this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);