sfHover = function() {
	var submitRoll = document.getElementById("submit-roll");
		submitRoll.onmouseover=function() {
			this.className+=" sfhover";
		}
		submitRoll.onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);