function initSubmitHovers() {
	var divs = document.getElementsByTagName('input');
	for (var i=0;i<divs.length;i++) {
		if (divs[i].className != 'idle') continue;
		divs[i].onmouseover = submitMouseOver;
		divs[i].onmouseout = submitMouseOut;
  }
}

function submitMouseOver() {
this.className = "highlight";
} 

function submitMouseOut() {
this.className = "idle";
}

addEvent(window,"load",initSubmitHovers);